Cc1nc(N(C)C)nc2c1ncn2C mol8287 0_1 Cc1nc(N(C)C)[nH+]c2c1ncn2C mol8287 1_1 Cc1nc([NH+](C)C)nc2c1ncn2C mol8287 1_2 Cc1[nH+]c(N(C)C)nc2c1ncn2C mol8287 1_3 Cc1nc(N(C)C)nc2c1[nH+]cn2C mol8287 1_4