(2Z)-{4-[bis(2-chloroethyl)amino]phenyl}(3-oxo-2-benzofuran-1(3H)-ylidene)acetic acid InChI=1/C20H17Cl2NO4/c21-9-11-23(12-10-22)14-7-5-13(6-8-14)17(19(24)25)18-15-3-1-2-4-16(15)20(26)27-18/h1-8H,9-12H2,(H,24,25)/b18-17 benzeneacetic acid, 4-[bis(2-chloroethyl)amino]-alpha-(3-oxo-1(3H)-isobenzofuranylidene)-, (alphaZ)-