Einecs 260-812-8

1-hexyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile

1-Hexyl-2-oxo-1,2-dihydro-4-methyl-6-hydroxypyridine-3-carbonitrile

1-Hexyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarbonitrile