QE510101

Emamectin B1a

Synonyms: (2S,2a'E,2a1'S,4'E,5S,6R,6'S,7'S,8'E,11'R,15'S,17a'R,20'R,20a'R)-6-((S)-sec-butyl)-2a1',20'-dihydroxy-7'-(((2R,4S,5S,6S)-4-methoxy-5-(((2S,4S,5R,6S)-4-methoxy-6-methyl-5-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5,6',8',19'-tetramethyl-2a1',5,6,6',7',10',11',14',15',17a',20',20a'-dodecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one