butadienoic acid butadienyl butadienylation butadione butadiyne butadiynes butadiynyl butadiynyls butalbital butamben
| butamirate butanal butanamide butane butanediamide butanedicarboxylic acid (current term) butanedinitrile butanedioic acid butanediol butanediol dehydrogenase
| butanediols butanedione butanes butanethiol butanethiols butanoic butanoic acid butanol butanol-extractable iodine butanol-extractable iodine test
|