3-[5-(2-bromo-5-hydroxyphenyl)-5-methoxypentan-2-yl]-13-hydroxy-9-(hydroxymethyl)-4,14,16,16-tetramethyl-2,6,10,17-tetraoxatricyclo[11.3.1.1~1,5~]octadecane-7,11-dione
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SQ 21137 7674-36-4