1	P9S	Dihydroxypropylcysteine	1.000
2	CSA	S-acetonylcysteine	0.917
3	CYW	S-[(2r)-2-hydroxypropanoyl]-L-cysteine	0.846
4	I3L	Allyl-cysteine	0.833
5	OCY	Hydroxyethylcysteine	0.833
6	SWW	(2~{S})-2-azanyl-3-(2-hydroxyethylsulfanyl)propanoic acid	0.833
7	85F	(2r)-2-azanyl-3-[(2r)-2-azanyl-3-oxidanyl-3-oxidanylidene-propyl]sulfanyl-propanoic acid	0.786
8	MCS	Malonyl cysteine	0.786
9	6KM	S-propanoyl-L-cysteine	0.769
10	CCS	Carboxymethylated cysteine	0.769
11	YCM	S-(2-amino-2-oxoethyl)-L-cysteine	0.769
12	ECX	S-ethyl-L-cysteine	0.750
13	QVA	(2s,3r)-2-{[(2r)-2-amino-2-carboxyethyl]sulfanyl}-3-hydroxybutanedioic acid	0.750
14	EJA	S-[(1z)-2-carboxy-N-hydroxyethanimidoyl]-L-cysteine	0.733
15	CGV	S-[(R)-carboxy(hydroxy)methyl]-L-cysteine	0.714
16	CY4	S-butyryl-cystein	0.714