(2R,4′S,5S,6R,8′R,10′E,13′S,14′E,16′E,20′R,21′R,24′S)-6-Ethyl-12′,21′,24′-trihydroxy-11′-(hydroxymethyl)-5,13′,22′-trimethyl-3,4,5,6-tetrahydro-2′H-spiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.1~4 ,8~.0~20,24~]pentacosa[10,14,16,22]tetraen]-2′-one

(2R,4′S,5S,6R,8′R,10′E,13′S,14′E,16′E,20′R,21′R,24′S)-6-Ethyl-12′,21′,24′-trihydroxy-11′-(hydroxymethyl)-5,13′,22′-trimethyl-3,4,5,6-tetrahydro-2′H-spiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.1~4 ,8~.0~20,24~]pentacosa[10,14,16,22]tetraen]-2′-one

13,29-Dihydroxymilbemycin A4

134053-89-7

Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-13,30-duhydroxy-, (6R,13R,25R)-

Milbemycin B,5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-13,30-dihydroxy-, (6R,13R,25R)- (9CI)