The molecule is an avermectin analogue that is eprinomectin B1a in which the butan-2-yl substituent of the spiroketal moiety is replaced by an isopropyl group. It is an avermectin analogue, a member of acetamides, a semisynthetic derivative, an organic heteropentacyclic compound, a spiroketal and a disaccharide derivative.
N-[(2S,3S,4S,6S)-6-[(2S,3S,4S,6R)-6-[(1'R,2R,3S,4'S,6S,8'R,10'E,12'S,13'S,14'E,16'E,20'R,21'R,24'S)-21',24'-dihydroxy-3,11',13',22'-tetramethyl-2'-oxo-2-propan-2-ylspiro[2,3-dihydropyran-6,6'-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene]-12'-yl]oxy-4-methoxy-2-methyloxan-3-yl]oxy-4-methoxy-2-methyloxan-3-yl]acetamide