| Label | Id | |
|---|---|---|
| Celloheptaose | 3524 | |
| Cerdarin | 211248 | |
| Chamanetin | 186240 | |
| Chlamydospordiol | 182459 | |
| Chloramine | 82415 | |
| Chloriolide | 224203 | |
| Chloroacetonitrile | 82416 | |
| Chlorochrymorin | 3624 | |
| Chlorodifluoromethane | 82417 | |
| Chlorofluoromethane | 82418 | |
| Chlorogenoquinone | 168246 | |
| Chlorogentisylquinone | 224983 | |
| Chorismeron | 224563 | |
| Chrysoidine | 82424 | |
| Chrysolandol | 202243 |