4-HYDRAZINO-6-(3-PYRIDYL)-1,3,5-TRIAZIN-2-AMINE

4-HYDRAZINO-7-METHYLQUINOLINE

4-HYDROXY-1-METHYL-3-PHENYL-1,2-DIHYDROQUINOLIN-2-ONE

4-HYDROXY-1-METHYLBICYCLO[2.2.2]OCTAN-2-ONE

4-HYDROXY-2-(TRIFLUOROMETHYL)QUINOLINE

3,5-DINITRO-4-HYDROXYPHENYLACETIC ACID

3-IODO-4-HYDROXYBENZALDEHYDE

4-Hydroxy-3-methoxybenzonitrile

4'-Hydroxy-3'-nitroacetophenone