| (-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one |
| (-)-17alpha-Ethynyl-18-methyl-19-nortestosterone |
| (-)-18,19-Dinor-13beta-ethyl-17beta-hydroxy-4-pregnen-20-yn-3-one |
| (-)-Levonorgestrel |
| (-)-Norgestrel |
| (-)-Norgestrel, 98% |
| (+-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one |
| (+-)-Norgestrel |
| (17?)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-yn-3-one |
| (1S,2R,10R,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one |
| (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy- 1,2,6,7,8,9,10,11,12,13,14,15,16, 17- tetradecahydrocyclopenta[a] phenanthren-3-one |
| (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one |
| (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name) |
| (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one |
| (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-oxidanyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one |
| [(-)-13-ethyl-17-hydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one |
| [18,(17.alpha.)-(-)-] |
| [18,19-Dinorpregn-4-en-20-yn-3-one-13-ethyl-17-hydroxy-,(17..)-(-)-] |
| 121714-72-5 |
| 13-BETA-ETHYL-17-ALPHA-ETHYNYL-17-BETA-HYDROXYGON-4-EN-3-ONE |
| 13-beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one |
| 13-Ehyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one |
| 13-Ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one |
| 13-Ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one |
| 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one |
| 13-Ethyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one |
| 13-ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one |
| 13-Ethyl-17alpha-ethynylgon-4-en-17beta-ol-3-one |
| 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one |
| 13beta-Ethyl-17alpha-ethynyl-17 beta-hydroxygon-4-en-3-one |
| 13beta-ethyl-17alpha-ethynyl-17-hydroxy-gon-4-en-3-one |
| 13beta-ethyl-17alpha-ethynyl-17beta-hydroxy-gon-4-en-3-one |
| 13beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one |
| 17-alpha-Ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one |
| 17-alpha-Ethynyl-13-ethyl-19-nortestosterone |
| 17-beta-Hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one |
| 17-Ethynyl-18-methyl-19-nortestosterone |
| 17alpha-Ethynyl-13-ethyl-19-nortestosterone |
| 17alpha-Ethynyl-13beta-ethyl-3-oxo-4-estren-17beta-ol |
| 17alpha-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one |
| 17alpha-ethynyl-17beta-hydroxy-18a-homoestr-4-en-3-one |
| 17alpha-Ethynyl-18-homo-19-nor-testosterone |
| 17alpha-Ethynyl-18-homo-19-nortestosterone |
| 18-Methyl-17-alpha-ethynyl-19-nortestosterone |
| 18-Methylnorethisterone |
| 18,19-Dinor-13beta-ethyl-17 beta hydroxy-4-pregnen-20-yn-3-one |
| 18,19-Dinor-13beta-ethyl-17beta-hydroxy-4-pregnen-20-yn-3-one |
| 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy- |
| 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+-)- |
| 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+)- |
| 18,19-Dinor-4-pregnen-20-yn-3-one |
| 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)- |
| 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(+-)- |
| 19-Nortestosterone, 17-ethynyl-18-methyl- |
| 1lhv |
| 4222-79-1 |
| 5W7SIA7YZW |
| 6533-00-2 |
| 72-HOURS |
| 797-62-6 |
| 797-63-7 |
| 797L637 |
| A835065 |
| AB0012485 |
| AB2000252 |
| AC1L211U |
| AC1Q6OEV |
| AJ-45701 |
| AKOS015894913 |
| alpha-Norgestrel |
| BAY 86-5028 |
| BAY86-5028 |
| BCP21999 |
| BCP9000852 |
| BDBM50410522 |
| BIDD:PXR0194 |
| BPBio1_000932 |
| BRD-K35189033-001-03-0 |
| BRN 2391114 |
| BSPBio_000846 |
| C08149 |
| C08153 |
| Capronor |
| CAS-797-63-7 |
| CCG-100853 |
| CCRIS 6525 |
| CCRIS 9033 |
| CHEBI:6443 |
| CHEMBL1389 |
| component of Lo/ovral |
| CS-2243 |
| D-(-)-Norgestrel |
| D-(-)-Norgestrel (Levonorgestrel) |
| D-Norgestrel |
| d(-)-Norgestrel |
| D(-)-Norgestrel, analytical standard |
| D00950 |
| D00954 |
| DB00367 |
| dl-13-beta-Ethyl-17-alpha-ethynyl-17-beta-hydroxygon-4-en-3-one |
| dl-13-beta-Ethyl-17-alpha-ethynyl-19-nortestosterone |
| dl-Norgestrel |
| DSSTox_CID_16496 |
| DSSTox_GSID_36496 |
| DSSTox_RID_79283 |
| DTXSID3036496 |
| E-Gen-C |
| EINECS 212-349-8 |
| EINECS 229-433-5 |
| EN300-122613 |
| Fallback Solo |
| FH 122-A |
| Follistrel |
| FT-0658692 |
| GTPL2881 |
| HMS1570K08 |
| HMS2051M08 |
| HMS2090O06 |
| HMS2097K08 |
| HMS2232H06 |
| HMS2232K12 |
| HMS3649J10 |
| HMS3714K08 |
| HSDB 3595 |
| HSDB 6483 |
| HY-B0257 |
| Intrauterine levonorgestrel |
| Jadelle |
| Kyleena |
| LD norgestrel [French] |
| Levlen |
| Levlen ED |
| Levogel |
| Levonelle |
| Levonelle;D-Norgestrel;Levonova |
| Levonorgestrel |
| Levonorgestrel (JAN/USP/INN) |
| Levonorgestrel (Levonelle) |
| Levonorgestrel [USAN:INN:BAN] |
| Levonorgestrel [USAN:USP:INN:BAN] |
| Levonorgestrel for system suitability 2, European Pharmacopoeia (EP) Reference Standard |
| Levonorgestrel implant |
| Levonorgestrel implants |
| Levonorgestrel, 98% |
| Levonorgestrel, British Pharmacopoeia (BP) Reference Standard |
| Levonorgestrel, European Pharmacopoeia (EP) Reference Standard |
| Levonorgestrel, Pharmaceutical Secondary Standard; Certified Reference Material |
| Levonorgestrel, United States Pharmacopeia (USP) Reference Standard |
| Levonorgestrel(Levonelle) |
| Levonorgestrelum |
| Levonorgestrelum [INN-Latin] |
| Levonova |
| Levora-21 |
| Levora-28 |
| Levosert |
| Liletta |
| LMST02030119 |
| LNG-IUS |
| LO/Ovral |
| Logynon ED |
| LS-62083 |
| LS-62084 |
| MCULE-1283162506 |
| Methylnorethindrone |
| MFCD00199013 |
| Microgest ED |
| Microgyn |
| Microgynon 21 |
| Microgynon 28 |
| Microgynon 30 ED |
| Microgynon CD |
| Microlut |
| Microlution |
| Microluton |
| Microval |
| Minivlar 30 |
| Mirena (TN) |
| MLS000069491 |
| MLS000759484 |
| MLS001074069 |
| MLS001423967 |
| MolPort-002-510-453 |
| Monofeme 28 |
| Monovar |
| N0889 |
| NC00103 |
| NCGC00159349-02 |
| NCGC00159349-03 |
| NCGC00159349-05 |
| NCGC00257283-01 |
| NCGC00260418-01 |
| Neogest |
| Neogynon 21 |
| Next choice |
| Nordet |
| Nordette |
| Nordette 21 |
| Nordette 28 |
| Norgeston |
| norgestrel |
| Norgestrel (JP17/USP/INN) |
| Norgestrel [Progestins] |
| Norgestrel [USAN:BAN:INN:JAN] |
| Norgestrel [USAN:INN:BAN:JAN] |
| Norgestrel [USAN:USP:INN:BAN:JAN] |
| Norgestrel-(-)-D |
| Norgestrelum |
| Norgestrelum [INN-Latin] |
| NorLevo |
| NORPLANT |
| Norplant (TN) |
| Norplant 2 |
| Norplant II |
| Norplant System in Plastic Container |
| Norplant-2 |
| NSC-744007 |
| NSC744007 |
| Opera_ID_552 |
| Oral levonorgestrel |
| Ovoplex 30-150 |
| Ovral-Lo |
| Ovranette |
| Ovrette |
| Ovrette (TN) |
| Plan B |
| Plan B One Step |
| Plan B One-Step |
| Postinor |
| Postinor-2 |
| Prestwick_109 |
| Prestwick0_000773 |
| Prestwick1_000773 |
| Prestwick2_000773 |
| Prestwick3_000773 |
| Preven |
| Rigevidon 21+7 |
| s1727 |
| SCHEMBL27597 |
| SH 70850 |
| SH 850 |
| Skyla |
| Skyla (TN) |
| SMR000059117 |
| SMR000653526 |
| SOH-075 |
| SPBio_002785 |
| SR-01000759218 |
| SR-01000759218-5 |
| SR-01000946725 |
| SR-01000946725-1 |
| Stediril 30 |
| Tetragynon |
| Tox21_111593 |
| Tox21_111593_1 |
| Tox21_202872 |
| Tox21_303658 |
| Tri-Levlen |
| Tri-Levlen 21 |
| Triagynon |
| Triciclor |
| Trifeme 28 |
| Trigoa |
| Trinordiol 21 |
| Trinordiol 28 |
| Triphasil 21 |
| Triphasil 28 |
| Triquilar ED |
| Trivora |
| UNII-3J8Q1747Z2 component WWYNJERNGUHSAO-XUDSTZEESA-N |
| UNII-5W7SIA7YZW |
| WWYNJERNGUHSAO-XUDSTZEESA-N |
| Wy 3707 |
| Wy-3707 |
| Wy-5104 |
| Z1551429747 |
| ZINC3814395 |
