| Chapter Code | Chapter Description |
|---|
| 29222923 | PHENYL GAMMA ACID (PHENYL 2-AMINO-NAPHTHOL-6-SULPHONIC ACID) |
| 29222924 | PHENYL J ACID (PHENYL-2-AMINO-8 NAPHTHOL-7-SULPHONIC ACID) |
| 29222925 | S ACID, PERI ACID (1-AMINO-8-NAPHTHOL-4-4-SULPHOXINIC ACID, 1-NAPHTHYLAMINE-8-SULPHONIC ACID) |
| 29222926 | META-PHENYLENE DIAMINE-4-SULPHONIC ACID |
| 29222933 | PARA ACETYL AMINOPHENOL (PARACETAMOL) |
| 29222934 | PARA CRESIDINE |
| 29222935 | PICRAMIC ACID (T-GRADE) |
| 29223100 | AMFEPRAMONE(INN),METHADONE(INN) AND NORMETHADONE(INN);SALTS THEREOF |