Try searching for...
SCFBio, IIT Delhi
Formula: C12H21N3O6S | Mol. Weight: 335.38 g/mol
IUPAC: (2S)-2-amino-5-[[(2R)-1-(2-carboxyethylamino)-3-methylsulfanyl-1-oxopropan-2-yl]amino]-5-oxopentanoic acid
CSCC(C(=O)NCCC(=O)O)NC(=O)CCC(C(=O)O)N