1	ESD	(2-amino-ethylsulfanyl)-acetic acid	1.000
2	X7K	2-(cyanomethylthio)acetic acid	1.000
3	YBX	(ethylsulfanyl)acetic acid	0.875
4	X79	(prop-2-ynylthio)acetic acid	0.778
5	X7Q	(allylthio)acetic acid	0.778
6	MTG	[methylthio]acetate	0.750
7	48V	{[(2r)-2,3-diamino-3-oxopropyl]sulfanyl}acetic acid	0.727
8	AEA	(2-amino-2-carbamoyl-ethylsulfanyl)-acetic acid	0.727
9	CCJ	Carboxymthylated D- cysteine	0.727
10	CCS	Carboxymethylated cysteine	0.727
11	9X6	Thiodiglycolic acid	0.700