Nitrous acid 17-oxo-5α-androstan-16α-yl ester
Nitrous acid 17-oxo-5α-androstan-16α-yl ester ??
??
Nitrous acid 17-oxo-5α-androstan-16α-yl ester C??? ??, ??, ??
Nitrous acid 17-oxo-5α-androstan-16α-yl ester ?? ?? ? ???
???
?? ??
Nitrous acid 17-oxo-5α-androstan-16α-yl ester ?? ??
???( 0)?? ??