Beijing Keyifeng (KYF) Biotech Develop. Co., Ltd.,

;13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name);(17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,1... >>>

;oestriol;1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol;(16alpha,17beta)-estra-1,3,5(10)-triene-3,16,17-triol;(8R,13S,17R)-13-methyl-6,7,8,9... >>>

;Levonorgestrel;Norgestrel (L-);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-19-dinor-17-alpha-pr... >>>

;17a-ethynyl-1,3,5(10)-estratriene-3,17b-diol;17alpha-ethynyl-3,17-dihydroxy-delta-(sup1,3,5)-estratriene;eticyclin;eticyclol;etinestrol;etinestryl;feminone;ginestrene;inestra;lin... >>>

;19-nor-17-alpha-pregn-4-en-20-yn-17-beta-ol;(17beta)-17-ethynylestr-4-en-17-ol;(17alpha)-17-ethynylestr-4-en-17-ol;... >>>

;(17a)-13-Ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-ol;(17alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-ol;(8S,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-11-met... >>>

;17-beta-(Acetyloxy)estra-4,9,11-trien-3-one;17-beta-Acetoxy-delta-4,9,11-estratrien-3-one;17-beta-Hydroxyestra-4,9,11-trien-3-one acetate;17beta-Hydroxyestra-4,9,11-trien-3-one, ... >>>

;13-ethyl-17-ethynyl-3-hydroxyimino-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl acetate;(3E,8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-3-(hydroxyimino)... >>>