1	JJL	S-[(S)-hydroxy(5-methoxypyridin-3-yl)methyl]-L-cysteine	1.000
2	JJJ	S-(pyridin-3-ylcarbonyl)-L-cysteine	0.882
3	JJK	S-[(S)-hydroxy(pyridin-3-yl)methyl]-L-cysteine	0.882
4	ZBZ	S-(phenylcarbonyl)-L-cysteine	0.778
5	CSJ	S-[(2-aminophenyl)carbonyl]-L-cysteine	0.737
6	BCS	Benzylcysteine	0.722