... -methylpropyl)-25-(1-methylethyl)avermectin A1a (ii)CAS NO.71751-41-2EINECS NO.265-610-3Molecular FormulaC48H72O14·C47H70O14Molecular Weight1732.14InChIInChI=1 ... 30(7)56-38;1-24(2)41-27(5)16-17-46(61-41)22-33-19-32(60-46)15 ... 30+,31+,33-,34+,35+,36+,37+,38+,39+,40-,41+,42+,43-,44+,45-,47-,48-;25-,27-,29-,30 ... -,32+,33-,34-,35-,36-,37-,38-,39+,40-,41+,42-,43-,44+,46+,47+/m10/s1 Density1.16Melting point150 ...