Abamectin - Impurity E (Freebase)

65195-57-5

(23S)-5-O-Demethyl-22,23-dihydro-23-hydroxyavermectin A1a; Spiro[11,15-methano-2H,7H,13H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran], avermectin A1a deriv; Antibiotic C 076B2a; (23S)-5-O-demethyl-23-hydroxy-22,23-dihydroavermectin A1; (1R,4S,4'S,5'S,6R,6'R,8R,10E,12S,13S,14E,16E,20R,21R,24S)-6'-[(2S)-butan-2-yl]-4',21,24-trihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one;