4-HEPTADECYLUMBELLIFERONE

7-METHYLTHIENO[3,2-D]PYRIMIDIN-4-HYDRAZINE

4-HYDRAZINO-8-METHYLQUINOLINE

4-HYDRAZINO 8-TRIFLUOROMETHYL-QUINOLINE

4-Hydroxy-2-(trifluoromethyl)pyrimidine

2-METHYL-7-TRIFLUOROMETHYLQUINOLIN-4-OL

3,5-Dimethoxy-4-hydroxybenzaldehyde

4-hydroxy-3,5-dinitrobenzenesulphonic acid

4'-Hydroxy-3'-nitroacetophenone

4-HYDROXY-3-NITROBENZOPHENONE

4-HYDROXY-6-(TRIFLUOROMETHOXY)QUINOLINE-3-CARBOXYLIC ACID