三氟化硼乙醚络合物

苯

17-羟基-20-氧代孕甾-5-烯-3-基乙酸酯

(3S,8R,9S,10R,13S,14S)-17-(hydroxyimino)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate

吡啶