CC(C)[C@@H]1C(=O)NC(=O)N(C(C)C)C1=O    mol34290    0_1
CC(C)[c-]1c(=O)[nH]c(=O)n(C(C)C)c1=O    mol34290    -1_1
CC(C)[C@@H]1C(=O)[N-]C(=O)N(C(C)C)C1=O    mol34290    -1_2