Cc1cnc2c(c1)c(C)c(C)c1cccnc12 mol5115 0_1 Cc1cnc2c(c1)c(C)c(C)c1ccc[nH+]c12 mol5115 1_1 Cc1c[nH+]c2c(c1)c(C)c(C)c1cccnc12 mol5115 1_2