3-Hydroxyphenylacetic acid
2,2'-(2,5-Dihydroxy-1,4-phenylene)diacetic acid
2-(3,5-Dihydroxyphenyl)acetic acid
3,4-Dihydroxyphenylacetic acid
2-(4-Chloro-3-hydroxyphenyl)acetic acid
2-(2,5-Dihydroxyphenyl)acetic acid
2-(3-Hydroxy-4-methoxyphenyl)acetic acid
2-(3-Hydroxy-4-nitrophenyl)acetic acid
