COc1nc2c(nc1C(=O)O)c(=O)n(C)c(=O)n2C mol11355 0_1 COc1[nH+]c2c(nc1C(=O)[O-])c(=O)n(C)c(=O)n2C mol11355 0_2 COc1nc2c([nH+]c1C(=O)[O-])c(=O)n(C)c(=O)n2C mol11355 0_3 COc1nc2c(nc1C(=O)[O-])c(=O)n(C)c(=O)n2C mol11355 -1_1