Try searching for...
SCFBio, IIT Delhi
Formula: C9H15NO3S | Mol. Weight: 217.29 g/mol
IUPAC: (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid
CC(CS)C(=O)N1CCCC1C(=O)O