1.The manfacture of (3b,5b,15a,16a)-15,16-Dihydro-3,5-dihydroxy-3' ... dien-17-one,15,16-dihydro-3,5-dihydroxy-, (3b,5b,15a,16a)-Molecular Structure Molecular FormulaC20H28O3 3'H-Cycloprop[15 ... dien-17-one,15,16-dihydro-3,5-dihydroxy-, (3b,5b,15a,16a)-Molecular Structure Shanghai waseta look forward to hear ... from you. (3b,5b,15a,16a)-15,16-Dihydro-3,5-dihydroxy-3'H ...