1 NYS S-{5-[(1r)-2-amino-1-hydroxyethyl]-2,3-dihydroxyphenyl}-L-cysteine 1.000 2 DYS S-[5-(2-aminoethyl)-2,3-dihydroxyphenyl]-L-cysteine 0.947 3 HKS 3-{[(2s)-2-amino-2-carboxyethyl]sulfanyl}-5-hydroxy-L-tyrosine 0.818 4 QO2 4,5-dimethylcatechol cysteine 0.800 5 QO8 3,4-dimethylcatechol cysteine 0.800 6 QNQ 4-methylcatechol cysteine 0.750 7 QNW 3-methylcatechol cysteine 0.750 8 G0S 3-(beta-D-galactopyranosylthio)propanoic acid 0.714 9 QNT 3,6-dimethylcatechol cysteine 0.714 10 QO5 3,5-dimethylcatechol cysteine 0.714