3183-08-2 Alanine, 3,3'-thiodi-, DL- Cysteine, S-(2-amino-2-carboxyethyl)- DL-Cysteine, S-(2-amino-2-carboxyethyl)- DL-Lanthionine EINECS 221-676-5 Lanthionine Lanthionine, DL- S-(2-Amino-2-carboxyethyl)-DL-cysteine