SMILES: CC1NC(C(S1)(C)C)C(=O)O
Description: The molecule is 1,3-Thiazolidine substituted with methyl groups at C-2, -5 and -5 and with a carboxy group at C-4, representing the thiazolidine ring of a generalised penicillin structure. It has a role as an allergen. It is a member of thiazolidines and a monocarboxylic acid.