pyrazine
/ˈpʌɪrəziːn/ /ˈpɪrəziːn/Chemistry
noun
A weakly basic, crystalline, heteroaromatic compound which is a diazine with the nitrogen atoms at opposite positions in the ring; any substituted derivative of this compound.
- Systematic name: 1,4-diazabenzene, C4H4N2..
Origin
Late 19th century. From German Pyrazin from pyr- (in Pyridin) + Azin.