((7-(2-(1-(m,p-Dimethoxybenzyl)-3,4-dihydro-6,7-dimethoxyisoquinolin-2(1H)-yl)-2-oxoethoxy)-4-oxo-2-phenyl-4H-1-benzopyran-5-yl)oxy)acetic acid, compound with 2,2'-iminodiethanol (1:1) 41988-33-4 EINECS 255-605-4