Ethylene thiourea is a pesticide used in fruit and vegetable production. Ethylene thiourea is also used as a novel contrast agent for MRI studies based on proton chemical exchange-dependent saturation transfer.

Caryatin is a natural product found in Rhododendron simiarum, and Aeonium decorum. Caryatin shows anti-tumor activity.

L-Gulose is an unnatural monosaccharide. L-Gulose is the putative furanose form of L-sorbosone that exists as a syrup with a sweet taste. It is an L-hexose sugar and an intermediate in the biosynthesis of L-Ascorbate (vitamin C).