| Label | Id | |
|---|---|---|
| Bisibuthiamine | 31290 | |
| Bisoprolol | 3127 | |
| Bithionol | 3131 | |
| Bixin | 3136 | |
| Bleekerine | 3138 | |
| Blonanserin | 31296 | |
| Boc-Asn-OPhNO2 | 3147 | |
| Boldine | 3148 | |
| Bonafousine | 3149 | |
| Borrecapine | 3153 | |
| Borreline | 3154 | |
| Borrerine | 3155 | |
| Borreverine | 3156 | |
| Boschniakine | 3157 | |
| Boschnialactone | 3158 |