Product Name：Cucurbitacin B
Synonyms：19-Nor-9b,10a-lanosta-5,23-diene-3,11,22-trione, 2b,16a,20,25-tetrahydroxy-9-methyl-, 25-acetate (7CI,8CI);(+)-Cucurbitacin B;Amarine;Cucurbitacine B;NSC 144154;NSC49451;
Molecular Formula：C32H46O8
Molecular Weight：558.70
