C1=Cc2nc1c(-c1ccc(OCC[n+]3ccccc3)cc1)c1ccc([nH]1)c(-c1ccc(OCC[n+]3ccccc3)cc1)c1nc(c(-c3ccc(OCC[n+]4ccccc4)cc3)c3ccc([nH]3)c2-c2ccc(OCC[n+]3ccccc3)cc2)C=C1 mol36821 4_1 C1=Cc2nc1c(-c1ccc(OCC[n+]3ccccc3)cc1)c1ccc([nH]1)c(-c1ccc(OCC[n+]3ccccc3)cc1)c1[nH+]c(c(-c3ccc(OCC[n+]4ccccc4)cc3)c3ccc([nH]3)c2-c2ccc(OCC[n+]3ccccc3)cc2)C=C1 mol36821 5_1