SMILES: CC1N[C@H](C(S1)(C)C)C(=O)O
Description: The molecule is a trimethyl-substituted thiazolidine carboxylic acid derived by cleavage of and loss of C=O from the azetidine ring of penicillanic acid. It is a member of thiazolidines and a monocarboxylic acid. It derives from a penicillanic acid.