CSc1nc2cnc(C)nc2n1C    mol8292    0_1
CSc1[nH+]c2cnc(C)nc2n1C    mol8292    1_1
CSc1nc2cnc(C)[nH+]c2n1C    mol8292    1_2
CSc1nc2c[nH+]c(C)nc2n1C    mol8292    1_3