- PHENYLACETICACIDS
- PTHALIC ANHDYRDIES
- PYRAZINES
- PYRAZOLE[3,4-d]PYRIMIDINES
- PYRAZOLES
- PYRIDAZINES
- PYRIDINES
- PYRIMIDINES
- QUINOLINES
- TETRALONES
- TETRAZOLES
- THIADIAZOLES
- THIAZOLES
- THIOPHENES
- 1,2,4-TRIAZINES
- 1,2,4-TRIAZOLES
- 1,3,4-OXADIAZOLES
- 1,3-THIAZOLES
- 1,4-BENZODIOXANES
- 1,4-BENZOXAZINES
