Cc1cnc2c(c1)c(C)cc1c(C)c(C)cnc12 mol5110 0_1 Cc1cnc2c(c1)c(C)cc1c(C)c(C)c[nH+]c12 mol5110 1_1 Cc1c[nH+]c2c(c1)c(C)cc1c(C)c(C)cnc12 mol5110 1_2