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  2. 17α-Hydroxy-2-(hydroxymethylene)pregn-4-en-20-yn-3-one,(2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
17α-Hydroxy-2-(hydroxymethylene)pregn-4-en-20-yn-3-one,(2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one

17α-Hydroxy-2-(hydroxymethylene)pregn-4-en-20-yn-3-one,(2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one

¥ 1.00 ¥ 1.00 1.0 CNY

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