Chloropyrazine14508-49-733 % similar Iodopyrazine32111-21-033 % similar Aminopyrazine5049-61-633 % similar 2-Bromopyrazine56423-63-333 % similar Isobutylbenzene538-93-232 % similar 2-(Tributylstannyl)pyrazine205371-27-332 % similar Acetylpyrazine22047-25-231 % similar Pyrazin-2-yl-hydrazine54608-52-531 % similar Pyrazinecarbonitrile19847-12-230 % similar Vinylpyrazine4177-16-630 % similar Pyrazine-2-carbaldehyde5780-66-530 % similar 5-(2-Methylpropyl)-1-phenyl-1H-pyrazole3191-86-430 % similar