Ivermectin B1b，C47H72O14

分子式：C47H72O14；分子量：861.07；别名：5-O-Demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)avermectin A1a; Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran] Avermectin A1a Deriv.; 22,23-Dihydroavermectin B1b；应用：Ivermectin B1b is a minor component of Ivermectin (I940800), a semi-synthetic derivative of Abamectin; consists of a mixture of not less than 80% component B1a and not more than 20% component B1b. Antihelmintic (Onchocerca).。