Crystal structure of diethyl 3,3′-{2,2′-(1<i>E</i>)-[1,4-phenylenebis(azan-1-yl-1-ylidene)]bis(methan-1-yl-1-ylidene)bis(1<i>H</i>-pyrrole-2,1-diyl)}dipropanoate
Acta crystallographica. Section E, Crystallographic communications