3-methoxy-2,5-bis(2-methylpropyl)pyrazine

1-oxido-2,5-di(propan-2-yl)pyrazin-1-ium

2-(1-methylethyl)-5-(2-methylpropyl)pyrazine-1-oxide

5-(1-methylethyl)-2-(2-methylpropyl)pyrazine-1-oxide

2,5-bis(2-methylpropyl)-1-oxidopyrazin-1-ium