Milbemycin B2 ;
O-Methyl Milbemycin A3 ;
(1′R,2R,4′S,5S,6R,8′R,10′E,13′R,14′E,16′E,20′R,21′R,24′S)-24′-Hydroxy-21′-methoxy-5,6,11′,13′,22′-pentamethyl3,4,5,6-tetrahydrospiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.14,8.020,24]pentacosa[10,14,16,22]tetraen]-2′-one ;
CAS # 51596-12-4 ;
C32H46O7 :
MW: 542.70 ;