Dl-lanthionine3183-08-2100 % similar Djenkolic acid498-59-983 % similar D-Cystine349-46-275 % similar Cystine923-32-075 % similar S-(Carboxymethyl)cysteine2387-59-971 % similar Carbocisteine638-23-371 % similar S-Methylcysteine1187-84-467 % similar Fudosteine13189-98-567 % similar S-Allylcysteine21593-77-167 % similar Cystine dihydrochloride30925-07-667 % similar L-Cystine, hydrochloride (1:?)34760-60-667 % similar S-Benzyl-L-cysteine3054-01-161 % similar D-Serine312-84-558 % similar 2,3-Diaminopropionic acid4033-39-058 % similar 2,3-Diaminopropionic acid515-94-658 % similar Serine56-45-158 % similar Diaminopimelic acid583-93-758 % similar Homocystine462-10-257 % similar Homocystine626-72-257 % similar Dl-homocystine870-93-957 % similar