... sec-butyl]-21,24-dihydroxy-5',11,13,22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6. ... 21,24-dihydroxy-6'-isopropyl-5',11,13,22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6. ... FormulaC48H72O14·C47H70O14Molecular Weight1732.14InChIInChI=1/C48H72O14.C47H70O14/c1-11-25(2)43-28(5)17-18-47 ... 60-46)15-14-26(4)42(25(3)12-11-13-31-23-54-44-39(48) ... -10H3/b13-12+,27-15+,32-14+;12-11+,26-14+,31-13+/t25-,26+,28+,30 ...