Cc1[nH+]nc([S-])n1N mol12357 0_1 Cc1nnc([S-])n1[NH3+] mol12357 0_2 Cc1nnc(S)n1N mol12357 0_3 Cc1nnc([S-])n1N mol12357 -1_1 Cc1nnc(S)n1[NH-] mol12357 -1_2