Synonyms: MilbemycinB, 5-O-demethyl-28-deoxy-25-(1,3-dimethyl-1-butenyl)-6,28-epoxy-23-(methoxyimino)-,[6R,23E,25S(E)]-; Milbemycin B,5-O-demethyl-28-deoxy-25-[(1E)-1,3-dimethyl-1-butenyl]-6,28-epoxy-23-(methoxyimino)-,(6R,23E,25S)- (9CI);Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran],milbemycin B deriv.; 23-Methoxime-LL-F 28249a; CL 301423; Cydectin; Moxidectin; ProHeart 6; Quest;Quest (parasiticide); Vetdectin Oral Drench