21-bromo-pregn-5,16-dieno-3-acetate

16-妊娠双烯醇酮

16-dehydro-pregnenolone acetate ethylene ketal

(3S,8R,9S,10R,13S,14S,17R)-2',10,13-trimethyl-4'-methylene-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-4'H-spiro[cyclopenta[a]phenanthrene-17,5'-oxazol]-3-yl acetate