| SNo | Name of the Dervative | CAS No |
| 1 | Lawson’s Reagnet | 19172-47-5 |
| 2 | Boc-piperidine-4-carboxylic acid | 84358-13-4 |
| 3 | 5 Bromo 2 nitro pyridine | 39856-50-3 |
| 4 | 2-Hydroxy Pyridine | 142-08-5 |
| 5 | 2,6-Dicarboxalic Acid | 499-83-2 |
| 6 | 2,6-Dipyridynil ester | 1129-30-2 |
| 7 | 2,6-Diacetyl Pyridine | 1129-30-2 |
| 8 | 4-Picoline N-Oxide | 1003-67-4 |
| 9 | 6-Hydroxy Nictonic Acid | 5006-66-6 |
| 10 | 3-Pyridinyl Ester | 93-60-7 |
| 11 | 3-Acetyl Pyridine | 350-03-8 |
| 12 | Cumalic Acid | 500-05-0 |
| 13 | Methyl Cumalate | 6018-41-3 |
| 14 | Nicotinic Acid-N-Oxide | 2398-81-4 |
| 15 | 2-Chloro Nicotinic Acid | 2942-59-8 |
| 16 | 2-Fluro 5-Methyl Pyridine | 2369-19-9 |
| 17 | 2-Methoxy Pyridine | 1628-89-3 |
| 18 | 2-Mercapto Pyridine | 1121-31-9 |
| 19 | 2-Chloro-5-Nitro-6-Methyl Pyridine | 22280-60-0 |
| 20 | 2-Hydroxy-6-Methyl-5-Nitro Pyridine | 28489-45-4 |
| 21 | 2-Methoxy 5-Bromo Pyridine | 13472-85-0 |
| 22 | 3-Hydroxy-5-iodo pyridine | 13472-79-2 |
| 23 | 2-Amino-6-Methyl-5-Nitro Pyridine | 22280-62-2 |
| 24 | 2-Chloro 4-Nicotinic Acid | 6313-54-8 |
| 25 | 2-Acetamino 5-Methyl Pyridine | 1603-41-4 |
| 26 | 5-Bromo-2,3-Dihydroxy Pyridine | 34206-49-0 |
| 27 | 4-Hydroxy Pyridine | 626-64-2 |
| 28 | Pyridine N-Oxide | 694-59-7 |
| 29 | 4-Nitro Pyridine N-Oxide | 1124-33-0 |
| 30 | 2-Hydroxy 6-Chloro Pyridine | 16879-02-0 |
| 31 | 2-Amino-5-Nitro Pyridine | 4214-76-0 |
| 32 | 2-Amino 5-Bromo Pyridine | 1072-97-5 |
| 33 | 2-Amino-5-Chloro Pyridine | 1072-98-6 |
| 34 | 2-Amino-5-Nitro Pyridine | 4214-76-0 |
| 35 | 2-Amino-5-Ido Pyridine | 20511-12-0 |
| 36 | 2-Hydroxy-5-Nitro Pyridine | 5418-51-9 |
| 37 | 2-Chloro-5-Nitro Pyridine | 4548-45-2 |
| 38 | 2-Hydroxy-5-Bromo Pyridine | 13466-38-1 |
| 39 | 2-Chloro 5-Amino Pyridine | 5350-93-6 |
| 40 | 2-Bromo Pyridine | 109-04-6 |
| 41 | 2-Bromo 5-Nitro Pyridine | 4487-59-6 |
| 42 | 2-Bromo 5-Amino Pyridine | 4487-59-6 |
| 43 | 2-Bromo 5-Iodo Pyridine | 73290-22-9 |
| 44 | 2-Hydroxy 3-Nitro Pyridine | 6332-56-5 |
| 45 | 2-Chloro 3-Nitro Pyridine | 5470-18-8 |
| 46 | 2-Fluro Pyridine | 372-48-5 |
| 47 | 2,6-Dichloro-3-Nitro Pyridine | 16013-85-7 |
| 48 | 2 Hydroxy 5-Iodo Pyridine | 13472-79-2 |
| 49 | 2-Chloro 5-Iodo Pyridine | 69045-79-0 |
| 50 | 2 Amino 5-Bromo 3-Nitro Pyridine | 6945-68-2. |
| 51 | 2,3-Diamino-5-Bromo Pyridine | 38875-53-5 |
| 52 | 2-Chloro Pyridine N-Oxide | 20295-64-1 |
| 53 | 2-Chloro-4-Nitro Pyridine N-Oxide | 14432-16-7 |
| 54 | 2-Chloro-4-Amino Pyridine N-Oxide | 14432-16-7 |
| 55 | 2-Hydroxy 3-Bromo 5- Nitro Pyridine | 15862-33-6 |
| 56 | 2-Chloro 3-Bromo 5-Nitro Pyridine | 5470-17-7 |
| 57 | 3,3-Dipyridinyl Urea | 39642-60-9 |
| 58 | 3-Amino 2-Nitro Pyridine | 13269-19-7 |
| 59 | 3-Chloro 2-Nitro Pyridine | 5470-18-8 |
| 60 | 2-Bromo 2-Nitro Pyridine | 19755-53-4 |
| 61 | 2-Ethoxy Pyridine | 14529-53-4 |
| 62 | 2,5-Dibromo Pyridine | 624-28-2 |
| 63 | 3-Hydroxy 2-Bromo Pyridine | 6602-32-0 |
| 64 | 2-Bromo-3-Chloro Pyridine | 52200-48-3 |
| 65 | 2,5-Dichloro-3-Nitro Pyridine | 21427-62-3 |
| 66 | 2,6-Dichloro-3-Nitro Pyridine | 16013-85-7 |
| 67 | 2-Amino-5-Chloro 3-NitroPyridine | 5409-39-2 |
| 68 | 2,3-Diamino-5-Chloro Pyridine | 25710-20-7 |
| 69 | 2-Amino-6-Chloro-3-Nitro Pyridine | 27048-04-0 |
| 70 | 2-Hydroxy-3-Nitro-5-chloro pyridine | 21427-61-2 |
| 71 | 2-Hydroxy-5-Chloro Pyridine | 21427-61-2 |
| 72 | Nicotinamide N-Oxide | 2398-81-4 |
| 73 | 2-Chloro-3-Cyano Pyridine | 6602-54-6 |
| 74 | 4-Methyl Nictanate | 33402-75-4 |
| 75 | Iso Nicitinyl Chloride | 39178-35-3. |
| 76 | 4-Methyl Pyridine N-Oxide | 1003-67-4 |
| 77 | 4-Chloro-2-Picolinic Acid | 5470-22-4 |
| 78 | 2-Bromo Pyridine N-Oxide | 14305-17-0 |
| 79 | 2-Bromo 4-Nitro Pyridine N-Oxide | 52092-43-0 |
| 80 | 2-Methyl 8-Nitro Quinoline | 881-07-2 |