Nc1nc(-c2ccccn2)cs1 mol35712 0_1 Nc1nc(-c2cccc[nH+]2)cs1 mol35712 1_1 [NH3+]c1nc(-c2ccccn2)cs1 mol35712 1_2 Nc1[nH+]c(-c2ccccn2)cs1 mol35712 1_3