1	CGV	S-[(R)-carboxy(hydroxy)methyl]-L-cysteine	1.000
2	CCS	Carboxymethylated cysteine	0.917
3	CYW	S-[(2r)-2-hydroxypropanoyl]-L-cysteine	0.846
4	OCY	Hydroxyethylcysteine	0.833
5	SCY	S-acetyl-cysteine	0.833
6	SWW	(2~{S})-2-azanyl-3-(2-hydroxyethylsulfanyl)propanoic acid	0.833
7	48V	{[(2r)-2,3-diamino-3-oxopropyl]sulfanyl}acetic acid	0.769
8	6KM	S-propanoyl-L-cysteine	0.769
9	AEA	(2-amino-2-carbamoyl-ethylsulfanyl)-acetic acid	0.769
10	CSA	S-acetonylcysteine	0.769
11	XYM	(2z)-3-[(carboxymethyl)sulfanyl]-2-hydroxyprop-2-enoic acid	0.769
12	XYN	3-[(carboxymethyl)sulfanyl]-2-oxopropanoic acid	0.769
13	YCM	S-(2-amino-2-oxoethyl)-L-cysteine	0.769
14	ECX	S-ethyl-L-cysteine	0.750
15	M0H	S-(hydroxymethyl)-L-cysteine	0.750
16	C3Y	S-[(1s)-1-hydroxy-1-(hydroxyamino)ethyl]-L-cysteine	0.714
17	CY4	S-butyryl-cystein	0.714
18	P9S	Dihydroxypropylcysteine	0.714