8,9-Z-AVERMECTINB1A
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Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran],avermectin A1a deriv.
H2ATSM/A 918879-58-0