3-(4-methoxyphenyl)iminobutan-2-one

3-(4-methylphenyl)iminobutan-2-one

2,2-diethoxy-4-methyl-5-methylidenefuran

3,3,5,6-tetramethyl-4-oxido-1-oxo-2H-pyrazin-1-ium-2-ol

3-hydroxy-3-methylnonan-2-one