Spantide I, a substance P analog, is a selective NK1 receptor antagonist, with Ki values of 230 nM and 8150 nM for NK1 and NK2 receptor, respectively. Spantide I provides an approach to reduce type 1 and enhance the type 2 cytokine IL-10 in the infected cornea, leading to a significant reduction in corneal perforation.

Trichodesmine, a dehydropyrrolizidine alkaloid, exhibits hepatotoxic, pneumotoxic, and neurotoxic effects in vivo.

Clomesone is a compound used as a molecular building block.