... -3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene ... -3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene ... )-25-(1-methylethyl)avermectin A1a (ii)CAS NO.71751-41-2EINECS NO.265-610-3Molecular FormulaC48H72O14·C47H70O14Molecular Weight1732.14InChIInChI ... -39-22-37(54-10)44(31(8)57-39)60-38-21-36(53-9)41(50 ... -17-46(61-41)22-33-19-32(60-46)15-14-26(4)42(25(3 ...