pyrazinyl
English edit
Etymology edit
Noun edit
pyrazinyl (uncountable)
- (organic chemistry, especially in combination) The radical derived from pyrazine.
- 1951, Apollonia Frances Olson, Helen G. Tibbitts, A Study of Head Nurse Activities in a General Hospital, 1950, page 163:
- Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl.