Cc1[nH]c2c(NCc3ccccc3)nccc2c1C mol19021 0_1 Cc1[nH]c2c(NCc3ccccc3)[nH+]ccc2c1C mol19021 1_1 Cc1[nH]c2c([NH2+]Cc3ccccc3)nccc2c1C mol19021 1_2