2-(3,4-dimethoxy-1-oxidopyridin-1-ium-2-yl)-3,4-dimethoxypyridin-1-ium-1-olate

5-Methyl-2-o-tolylamino-thiazole-4-carboxylic acid

5-Methyl-2-(3-trifluoromethyl-phenylamino)-thiazole-4-carboxylic acid ethyl ester

2-p-Tolylamino-thiazole-4-carboxylic acid

2-(4-Trifluoromethyl-phenylamino)-thiazole-4-carboxylic acid ethyl ester

2-(2-Methoxy-phenylamino)-5-methyl-thiazole-4-carboxylic acid ethyl ester

5-Methyl-2-(3-nitro-phenylamino)-thiazole-4-carboxylic acid ethyl ester

5-Methyl-2-(pyridin-3-ylamino)-thiazole-4-carboxylic acid

(2-Bromo-5-chloro-phenyl)-hydrazine

6-Benzyloxy-7-methoxy-2-methyl-quinoline-3-carboxylic acid

5-Amino-1-(5-fluoro-2-methyl-phenyl)-1H-pyrazole-4-carbonitrile