QS160917

螺内酯杂质 17

Spironolactone Impurity 17

别名：ethyl (8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',8,9,10,11,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-4'-carboxylate