Selamectin

hypnocarpic acid

AverMectin A1a,25-cyclohexyl-4'-O-de(2,6-dideoxy-3-O-Methyl-a-L-arabino-hexopyranosyl)-5-deMethoxy-25-de(1-Methylpropyl)-22,23-dihydro-5-(hydroxyiMino)-,(5Z)-