- Acids and Acid derivatives
- Aldehydes
- Alcohols
- Amines and Amide derivatives
- Aniline derivatives
- Amino Acids and Their Derivatives
- Boron Compounds
- Coumarins and Flavones
- Carbohydrates and Derivatives
- Ethers and cyclic ethers
- Esters
- Halogen derivatives
- Indole and its Derivatives
- Imidazoles and derivatives
- Isocyanate
- Ketones
- Nitro Compounds
- Organo-metallics
- Oxazole and Derivatives
- Phenols and derivatives
- PIPERIDINE
- Purine
- Pyperizine
- Pyrazole
- Pyridazine
- Pyrrole
- Pyrimidine
- Phosphate
- Sulfonyl derivatives
- Thio Derivatives
- Thiophene
- Theophylline
- Thaizole
- Miscellaneous