Nc1cc(C=Cc2ccccc2)nc(C=Cc2ccccc2)c1 mol32675 0_1 Nc1cc(C=Cc2ccccc2)[nH+]c(C=Cc2ccccc2)c1 mol32675 1_1 [NH3+]c1cc(C=Cc2ccccc2)nc(C=Cc2ccccc2)c1 mol32675 1_2