CCNc1nnc(-c2ccccc2)s1    mol4250    0_1
CCNc1[nH+]nc(-c2ccccc2)s1    mol4250    1_1
CCNc1n[nH+]c(-c2ccccc2)s1    mol4250    1_2
CC[NH2+]c1nnc(-c2ccccc2)s1    mol4250    1_3