1 4ZD (2e)-3-(phenylsulfanyl)prop-2-enoic acid 1.000 2 4YZ 3-[(4-chlorophenyl)sulfanyl]propanoic acid 0.923 3 MF9 (3s)-3-[(4-chlorophenyl)sulfanyl]butanoic acid 0.857 4 16M (ethylsulfanyl)benzene 0.750 5 QNQ 4-methylcatechol cysteine 0.750 6 QNW 3-methylcatechol cysteine 0.750 7 W3H (3r)-3-(4-chlorobenzene-1-sulfonyl)butanoic acid 0.750 8 QNT 3,6-dimethylcatechol cysteine 0.706 9 QO2 4,5-dimethylcatechol cysteine 0.706 10 QO5 3,5-dimethylcatechol cysteine 0.706 11 QO8 3,4-dimethylcatechol cysteine 0.706