COCc1nc2c(n1C)C(=O)c1ncnc(O)c1C2=O mol14670 0_1 COCc1[nH+]c2c(n1C)C(=O)c1ncnc([O-])c1C2=O mol14670 0_2 COCc1nc2c(n1C)C(=O)c1[nH+]cnc([O-])c1C2=O mol14670 0_3 COCc1nc2c(n1C)C(=O)c1ncnc([O-])c1C2=O mol14670 -1_1