(1S,3R,5E,7E)-1,3-Bis-[(tert-butyldiMethylsilyl)oxy]-9,10-secopregna-5,7,10-triene-20-carboxaldehyde

(1S,3R,5E,7E)-1,3-Bis-[(tert-butyldiMethylsilyl)oxy]-9,10-secopregna-5,7,10-triene-20-carboxaldehyde · CAS 112828-13-4