Avermectin A1a

(1′R,2S,4′S,5S,6R,8′R,10′E,12′R,13′S,14′E,16′E,20′R,21′R,24′S)-6-[(2S)-2-Butanyl]-24′-hydroxy-21′-methoxy-5,11′,13′,22′-tetramethyl-2′-oxo-5,6-dihydrospiro[pyran-2,6′-[3,7,19]trioxatetracyclo[15.6.1.1 ~4,8~.0~20,24~]pentacosa[10,14,16,22]tetraen]-12′-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-lyxo-hexopyranoside

65195-51-9

Avermectin A1a