| Label | Id | |
|---|---|---|
| Butylone | 189244 | |
| Butynol | 172407 | |
| Butyro-betaine | 3246 | |
| Butyryl-[acp] | 3247 | |
| Butyrylmallotochromene | 3248 | |
| Bybetaochlamysol | 224364 | |
| CAR(5:0) | 165624 | |
| CAY10435 | 188240 | |
| CAY10589 | 186524 | |
| CB-182325 | 204245 | |
| CDP-D-glucose | 35242 | |
| CDP-D-ribulose(2-) | 137524 | |
| CDP-DG(20:4(5Z,8Z,11Z,14Z)/20:2(11Z,14Z)) | 189924 | |
| CHIC-35 | 142489 | |
| CJ-15,183 | 224053 |