| NO. | Name | CAS No. |
| 41 | Levodopa | 59-92-7 |
| 42 | 4-Hydroxythiobenzamide | 25984-63-8 |
| 43 | Isoamyl nitrite | 110-46-3 |
| 44 | 4-Bromoanisole | 104-92-7 |
| 45 | Methyl L-tyrosinate hydrochloride | 3417-91-2 |
| 46 | Thioacetamide | 62-55-5 |
| 47 | Dimethomorph | 110488-70-5 |
| 48 | 1,1,1-Tris(4-hydroxyphenyl)ethane | 27955-94-8 |
| 49 | Indole-4-carboxylic acid | 2124-55-2 |
| 50 | 2,3-Dihydroxypyridine | 16867-04-2 |
| 51 | 5,5-Diphenylhydantoin | 57-41-0 |
| 52 | 5-Bromo-2-fluoro-m-xylene | 99725-44-7 |
| 53 | 2-(Ethoxycarbonyl)-5-bromo-indole | 16732-70-0 |
| 54 | Pyrrolidine | 123-75-1 |
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