Synonyms: Spiro[11,15-methano-2H,7H,13H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran],milbemycin B deriv.; (+)-Milbemycin a1; Antibiotic B 41A3; Emamectin A3; GWN 1725; Gowan1725; Koromite; Matsuguard; Mesa; Mesa (acaricide); Milbeknock; Milbemectin;Milbemycin A3; Milbemycin a1; Ultiflora