| 29181110 | Lactic acid, its salts and esters: Lactic acid |
| 29181120 | Lactic acid, its salts and esters: Calcium lactate |
| 29181190 | Lactic acid, its salts and esters: Other |
| 29181200 | Lactic acid, its salts and esters: Tartaric acid |
| 29181310 | Salts and esters of tartaric acid: Potassium bitartrate |
| 29181320 | Salts and esters of tartaric acid: Metroprolol tartrate |
| 29181390 | Salts and esters of tartaric acid: Other |
| 29181400 | Salts and esters of tartaric acid: Citric acid |
| 29181510 | Salts and esters of citric acid: Potassium citrate |
| 29181520 | Salts and esters of citric acid: Sodium citrate |
| 29181530 | Salts and esters of citric acid: Bismuth citrate |
| 29181540 | Salts and esters of citric acid: Disodium hydrogen citrate |
| 29181550 | Salts and esters of citric acid: Ferric ammonium citrate |
| 29181590 | Salts and esters of citric acid: Other |
| 29181610 | Gluconic acid, its salts and esters: Calcium gluconate |
| 29181620 | Gluconic acid, its salts and esters: Ferrous gluconate |
| 29181690 | Gluconic acid, its salts and esters: Other |
| 29181800 | Gluconic acid, its salts and esters: Chlorobenzilate (ISO) |
| 29181900 | Other: Benzeneacetic acid, alpha-hydroxy-alpha-phenyl- |
| 29181990 | Other: Other |
| 29182110 | Salicylic acid and its salts: Salicylic acid |
| 29182120 | Salicylic acid and its salts: Sodium salicylate |
| 29182190 | Salicylic acid and its salts: Other |
| 29182200 | Salicylic acid and its salts: O-Acetylsalicylic acid, its salts and esters |
| 29182310 | Other esters of salicylic acid and their salts: Methyl salicylate |
| 29182320 | Other esters of salicylic acid and their salts: Amino salicylate |
| 29182330 | Other esters of salicylic acid and their salts: Salicylamide |
| 29182390 | Other esters of salicylic acid and their salts: Other |
| 29182910 | Other: Gallic acid |
| 29182920 | Other: Beta hydroxy napthoic acid |
| 29182930 | Other: Propyl gallate |
| 29182990 | Other: Other |
| 29183010 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Levulinic acid |
| 29183020 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Ethyl aceto acetate (acetoacetic ester) |
| 29183030 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Nalidixic acid |
| 29183040 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Methyl aceto acetate |
| 29183090 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other |
| 29189000 | Other |
| 29189100 | Other: 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters |
| 29189900 | Other: Other |