1H-benzofuro[2,3-f]isoindole-10-carboxylic acid, 2,3-dihydro-4-methoxy-1,3-dioxo-2-phenyl-, methyl ester InChI=1/C23H15NO6/c1-28-19-18-16(21(25)24(22(18)26)12-8-4-3-5-9-12)17(23(27)29-2)15-13-10-6-7-11-14(13)30-20(15)19/h3-11H,1-2H methyl 4-methoxy-1,3-dioxo-2-phenyl-2,3-dihydro-1H-[1]benzofuro[2,3-f]isoindole-10-carboxylate