| Label | Id | |
|---|---|---|
| Chloropropanone | 47220 | |
| Chlorosuccinimide | 53203 | |
| Chlorphenamin | 52010 | |
| Chlorpheniramine | 52010 | |
| Citanest | 32053 | |
| Citrylideneacetone | 67207 | |
| Cl(+) | 30120 | |
| ClO4(.) | 29420 | |
| Clofeniramina | 52010 | |
| Coactin | 51208 | |
| Co(NO3)2 | 86209 | |
| CoA-disulfide | 62209 | |
| Collavin | 82035 | |
| Cotogard | 82012 | |
| Cotoran | 82012 |