C[c-]1c(=O)[nH]c(=[SH+])[nH]c1=O    mol29519    0_1
CC1C(=O)NC(=S)NC1=O    mol29519    0_2
CC1C(=O)NC(=[SH+])NC1=O    mol29519    1_1
CC1C(=O)NC(=S)NC1=[OH+]    mol29519    1_2