D-Cystine349-46-2100 % similar Cystine923-32-0100 % similar Cystine dihydrochloride30925-07-688 % similar L-Cystine, hydrochloride (1:?)34760-60-688 % similar Dl-lanthionine3183-08-275 % similar Djenkolic acid498-59-969 % similar S-Methylcysteine1187-84-467 % similar 3-[(1,1-Dimethylethyl)dithio]-L-alanine30044-51-067 % similar Homocystine462-10-263 % similar Homocystine626-72-263 % similar Dl-homocystine870-93-963 % similar S-Allylcysteine21593-77-161 % similar S-(Carboxymethyl)cysteine2387-59-960 % similar Carbocisteine638-23-360 % 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 Fudosteine13189-98-556 % similar