(organic chemistry, especially in combination) The univalent hydrocarbon radical derived from isobutanol

plural of isobutyl

Misspelling of isobutyrate.

(organic chemistry) The aliphatic ketone (CH₃)₂CH-CH₂-CO-CH₃, that is used as a solvent

(organic chemistry) The aliphatic primary amine 2-methyl-1-propamine

plural of isobutylene

(chemistry) A certain non-specific inhibitor of phosphodiesterases, which also possesses adenosine antagonist activity.

(organic chemistry) methylpropene; isobutene

(pharmacology) A substance used as an anti-inflammatory painkiller, often shortened to ibuprofen.