4-HEPTADECYLUMBELLIFERONE

4-HYDRAZINO-5-METHYLTHIENO[2,3-D]PYRIMIDINE

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

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