| 66-84-2 | D-Glucosamine hydrochloride | C6H13NO5.HCl |
| 66-71-7 | o-Phenanthroline | C12H8N2 |
| 66-83-1 | 5-Methoxytryptamine hydrochloride | C11H15ClN2O |
| 66-77-3 | 1-Naphthaldehyde | C11H8O |
| 66-99-9 | 2-Naphthaldehyde | C11H8O |
| 66-02-4 | 3,5-Diiodo-DL-tyrosine | C9H9I2NO3 |
| 66-32-0 | STRYCHNINE NITRATE | C21H22N2O2•HNO3 |
| 66-23-9 | ACETYLCHOLINE BROMIDE | C7H16NO2.Br |
| 66-28-4 | STROPHANTHIDIN | C23H32 O6 |
| 66-56-8 | 2,3-DINITROPHENOL | C6H4 N2 O5 |