cas no:6990-06-3 ||chemical formula:c31h48o6 ||molecular weight:516.71900 ||exact mass:516.34509 ||(z)-2-((3r,4s,5s,8s,9s,10s,11r,13r,14s,16s)-16-acetoxy-3,11-dihydroxy-4,8,10,14-tetramethylhexadecahydro-17h-cyclopenta[a]phenanthren-17-ylidene)-6-methylhept-5-enoic acid
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