1.The manfacture of (3b,5b,15a,16a)-15,16-Dihydro-3,5-dihydroxy-3'H- ... 17-one,15,16-dihydro-3,5-dihydroxy-, (3b,5b,15a,16a)-Molecular Structure Molecular FormulaC20H28O3 3'H-Cycloprop[15,16 ... 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-cycloprop ...