Chemical Name:(23E,25S)-5-O-Demethyl-28-deoxy-23-(methoxyimino)-25-[(2E)-4-methylpent-2-en-1-yl]milbemycin B (as per EP) ; (2'R,3S,5'S,6'S,7R,9E,12R,13E,15E,16aS,18S,20aR)-16a,18-Dihydroxy-5',10,12,16,19-pentamethyl-6'-[(E)-4-methylpent-2-en-2-yl]-3,4, 5',6',7,8,11,12,16a,17,18,20a-dodecahydro-1H-spiro[3,7-methanobenzo[g][1,5]dioxacyclooctadecin-5,2'-[2H]pyran]-14'-dione (E)-(O-methyloxime) (as per USP)
