洛克化工
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19-Norlanosta-6,23-diene-9-carboxaldehyde, 3,5-dihydroxy-25-methoxy-, cyclic 9,5-[(S)-methyl acetal], (3β,5β,9β,10α,23E)-
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1-((3S,3'R,4S,5R,5'S,10S,13S,14S,17S)-3-hydroxy-4-(hydroxymethyl)-3',4,10,13,14-pentamethyl-1,2,3,4,4',5,5',6,7,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-5'-yl)propan-1-one
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