7-phenylmethoxy-1H-indole-2-carboxylic acid

methyl 7-hydroxy-1H-indole-2-carboxylate

2-硝基-3-甲基苯酚

2-amino-3-(2,3-dihydroxyphenyl)propanoic acid

1-苄氧基-3-甲基-2-硝基苯