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.

Pelargonidin3-O-[6-O-(E)-Ferulyl-2-O-{6-O-(E)-P-coumarin-β-D-glucoside}-β-D-glucoside]-5-O-(6-O-malonyl)-β-D-glucoside

3'-O-Methylbatatasin III is a natural compound from the orchid plant Bletilla splendens with antibiotic activity and antispasmodic activity.