| Label | Id | |
|---|---|---|
| bis[2-(2,7-dimethyloct-6-en-1-ylidene)hydrazine-1-carbothioamide-kappa(2)N2,S]nickel | 156433 | |
| borthiin | 33121 | |
| bismuth | 33301 | |
| bohrium | 33355 | |
| boranide | 33606 | |
| boranyl | 33604 | |
| boranylium | 33605 | |
| borazine | 33119 | |
| boroxin | 33120 | |
| botrallin | 141337 | |
| bromine(.) | 33117 | |
| calcidiol | 17933 | |
| caldariellaquinol | 73388 | |
| caldariellaquinone | 73387 | |
| californium | 33392 |