1	C1S	3-(prop-2-en-1-yldisulfanyl)-L-alanine	1.000
2	BUC	S,S-butylthiocysteine	0.917
3	PR3	S,S-propylthiocysteine	0.909
4	SCS	3-(ethyldisulfanyl)-L-alanine	0.909
5	PEC	S,S-pentylthiocysteine	0.846
6	0QL	3-[(2-aminoethyl)disulfanyl]-L-alanine	0.833
7	CME	S,S-(2-hydroxyethyl)thiocysteine	0.833
8	EFC	S,S-(2-fluoroethyl)thiocysteine	0.833
9	SCH	S-methyl-thio-cysteine	0.818
10	IYY	L-cystine	0.786
11	6WK	(2~{R})-2-azanyl-3-[[(2~{S},3~{S})-2,3-bis(oxidanyl)-4-sulfanyl-butyl]disulfanyl]propanoic acid	0.733
12	CSS	S-mercaptocysteine	0.727
13	SSP	Dithiobis-(propane)	0.727