3β,19-Dihydroxy-5α-lanostan-11-one 3-acetate
3β,19-Dihydroxy-5α-lanostan-11-one 3-acetate ??
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3β,19-Dihydroxy-5α-lanostan-11-one 3-acetate C??? ??, ??, ??
3β,19-Dihydroxy-5α-lanostan-11-one 3-acetate ?? ?? ? ???
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3β,19-Dihydroxy-5α-lanostan-11-one 3-acetate ?? ??
???( 0)?? ??