CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)O mol35064 0_1 CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)[O-] mol35064 -1_1 CC(C)[C@H]([N-]C(=O)OC(C)(C)C)C(=O)O mol35064 -1_2