2-(2-(3,5-Dimethyl-1-piperidinyl)-2-oxoethyl)-2,5,5-trimethyl-4-thiazolidinecarboxylic acid 4-Carboxy-2,5,5-trimethylthiazolidine-2-aceto-3,5-dimethylpiperidide 4-Thiazolidinecarboxylic acid, 2-(2-(3,5-dimethyl-1-piperidinyl)-2-oxoethyl)-2,5,5-trimethyl- 85486-57-3