Cyclopentyl 5-(1,3-dioxolan-2-yl)-2-thienyl ketone

2-(4-t-Butylbenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

5-(1,3-Dioxolan-2-yl)-2-(4-ethoxybenzoyl)thiophene

2-(3,4-Difluorobenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(2,3-Difluorobenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(2,3-Dimethylbenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

2-(2,4-Dimethylbenzoyl)-5-(1,3-dioxolan-2-yl)thiophene

n-Hexyl 2-pyridyl ketone

Hexyl picolinate

Cyclobutyl 2-pyridyl ketone

t-Butyl 2-pyridyl ketone