1	6KM	S-propanoyl-L-cysteine	1.000
2	CY4	S-butyryl-cystein	0.917
3	CYW	S-[(2r)-2-hydroxypropanoyl]-L-cysteine	0.917
4	I3L	Allyl-cysteine	0.909
5	SCY	S-acetyl-cysteine	0.909
6	MCS	Malonyl cysteine	0.846
7	CSA	S-acetonylcysteine	0.833
8	ECX	S-ethyl-L-cysteine	0.818
9	M0H	S-(hydroxymethyl)-L-cysteine	0.818
10	C3Y	S-[(1s)-1-hydroxy-1-(hydroxyamino)ethyl]-L-cysteine	0.769
11	CGV	S-[(R)-carboxy(hydroxy)methyl]-L-cysteine	0.769
12	P9S	Dihydroxypropylcysteine	0.769
13	BPE	(2s)-2-amino-3-[(3-aminopropyl)sulfanyl]propan-1-ol	0.750
14	OCY	Hydroxyethylcysteine	0.750
15	OPS	3-oxo-3-[(3-oxopropyl)sulfanyl]propane-1-thiolate	0.750
16	QCS	S-carbamoyl-L-cysteine	0.750
17	SLZ	L-thialysine	0.750
18	SWW	(2~{S})-2-azanyl-3-(2-hydroxyethylsulfanyl)propanoic acid	0.750
19	HTI	(4s)-4-{[(2s)-2-amino-3-oxopropyl]sulfanyl}-L-homoserine	0.733
20	060	S-methyl-D-cysteine	0.727
21	SMC	S-methylcysteine	0.727
22	85F	(2r)-2-azanyl-3-[(2r)-2-azanyl-3-oxidanyl-3-oxidanylidene-propyl]sulfanyl-propanoic acid	0.714