1	PR3	S,S-propylthiocysteine	1.000
2	C1S	3-(prop-2-en-1-yldisulfanyl)-L-alanine	0.909
3	BUC	S,S-butylthiocysteine	0.833
4	SCS	3-(ethyldisulfanyl)-L-alanine	0.818
5	SSP	Dithiobis-(propane)	0.800
6	PEC	S,S-pentylthiocysteine	0.769
7	0QL	3-[(2-aminoethyl)disulfanyl]-L-alanine	0.750
8	CME	S,S-(2-hydroxyethyl)thiocysteine	0.750
9	EFC	S,S-(2-fluoroethyl)thiocysteine	0.750
10	SCH	S-methyl-thio-cysteine	0.727
11	IYY	L-cystine	0.714