上游原料
p-Chlorobenzoyl chloride; 4-Chlorobenzoyl chloride2-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetic acid3-Bromophthalide; 3-Bromo-2-benzofuran-1(3H)-one5-Methoxy-2-methyl-1H-indole-3-acetic acid; 2-(5-Methoxy-2-methyl-1H-indol-3-yl)acetic acid3-oxo-1,3-dihydro-2-benzofuran-1-yl 2-(5-methoxy-2-methyl-1H-indol-3-yl)acetate
