(3E<2E,4S,5S,6E,8<2R,4S,6S,8R(S),9S>>,3aS,4S,6S,7R,7aR)-octahydro-3a,7-dihydroxy-3-<5-hydroxy-8-<4-hydroxy-9-methylpropyl)-1,7-dioxaspiro<5.5>undec-10-en-2-yl>-4,6-dimethylocta-2,6-dienylidene>-6-methylbenzofuran-4-carboxylic acid

(αS(2R,4E,6S,7S),2R(S),3S)-α-(4-(tert-butyldimethylsilyloxy)-6-(tert-butyldiphenylsilyloxy)-5,7-dimethylnona-4,8-dienyl)-3,4-dihydro-3-methyl-2-(1-methypropyl)-2H-pyran-2-ylethanol

5-O-acetylavermectin B1a aglycone

(3E,3aS,4S,6S,7R,7aR)-7-(tert-butyldimethylsilyloxy)-4-<(tert-butyldiphenylsilyloxy)methyl>octahydro-6-methyl-3-<2-(phenylsulphonyl)ethylidene>benzofuran-3a-ol