Synonyms: Microgynon;Minisiston;Sequilarum;Trinordiol;Anteovin;Biphasil;Duoluton;Eugynon;Femenal;Follimin;Follinett;Follinyl;Gravistat;Gynatrol;Logynon;Minidril;Minigynon;Neogynon;Neovlar;Neovletta;Nordiol;Orasecron;Ovranett;Primovlar;Quasense;Rigevidon;Sequilar;Sequostat;Stediril;Trigynon;Trikvilar;Triphasil;Triquilar;Trisiston;Adepal;Ediwal;Levora;Lybrel;Ovidon;Ovran;Anna;Low-ogestrel;Pro-Duosterone;Lo-Femenal;Stediril D;Tri-Regol;Microgynon 30;Ovral L;Microvlar 30;Triphasil-21;Biphasil 21;Biphasil 28;Stederil 30;Schering PC 4;Eugynon 30;Nordiol-28;Alesse 28;LEVLITE;Ovral 21;Ovral 28;PC 4 (contraceptive);Norgestrel-ethinyl estradiol;LOC 31A;SHB 261AB;SHB 264AB;CCRIS 7261;Ethinyl estradiol/levonorgestrel;Levonorgestrel/ethinyl estradiol;LOC 31;Norgestrel and Ethinyl Estradiol;WL 33;WY-E 104;Levonorgestrel and Ethinyl Estradiol;CRYSELLE;Ethinyl estradiol mixed with norgestrel;Ethinyloestradiol mixed with norgestrel;Norgestrel mixed with ethinyl estradiol;Norgestrel mixed with ethinyloestradiol;dl-Norgestrel mixed with ethinylestradiol;Ethinylestradiol mixed with dl-norgestrel;SH 71121;TRIPHASIL-28;LOW-OGESTREL-21;LOW-OGESTREL-28;ENPRESSE-21;ENPRESSE-28;NORDETTE-21;NORDETTE-28;LESSINA-21;LESSINA-28;TRIVORA-21;TRIVORA-28;AVIANE-21;AVIANE-28;PORTIA-21;PORTIA-28;ETHINYL ESTRADIOL-NORGESTREL COMBINATION;LO/OVRAL-28;OVRAL-28;OGESTREL 0.5/50-21;OGESTREL 0.5/50-28;LEVORA 0.15/30-21;LEVORA 0.15/30-28;PREVEN EMERGENCY CONTRACEPTIVE KIT;18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17-alpha)-(+-)-, mixt. with (17-alpha)-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol;18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17-alpha)-, mixt. with (17-alpha)-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol;Loseasonique;Altavera;Introvale;Jolessa;Sronyx;Trisistone R;Trisistone-R;Aviane-21Fe;Pearl Oral Contraceptive;AC1L2NM9;Norgestrel-ethynylestradiol mixt;Norgestrel-ethynylestradiol mixt.;Levonorgestrel-ethinyl estradiol mixt;Ethinylestradiol - levonorgestrel mixt;Levonorgestrel - ethynylestradiol mixt;Levonorgestrel-ethinyl estradiol mixt.;C21H28O2.C20H24O2;Ethinylestradiol - levonorgestrel mixt.;Levonorgestrel - ethynylestradiol mixt.;Norgestrel-Ethinyl Estradiol Combination;LS-62088;LS-62092;Ethinyl estradiol mixture with levonorgestrel;(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,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol;110541-57-6;18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17-alpha)-(+-)-,mixt. with (17-alpha)-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol;37263-36-8;39366-37-5;52232-43-6;55927-62-3;70208-30-9;8056-51-7;8063-84-1;8064-50-4