c1cnc2c(c1)NCCC2 mol7823 0_1 c1c[nH+]c2c(c1)NCCC2 mol7823 1_1 c1cnc2c(c1)[NH2+]CCC2 mol7823 1_2 c1c[nH+]c2c(c1)[NH2+]CCC2 mol7823 2_1