Methyl nomilinate from citrus can modulate cell cycle regulators to induce cytotoxicity in human colon cancer (SW480) cells in vitro.

Zinc sulfate heptahydrate is a dietary supplement used for zinc deficiency and to prevent the condition in those at high risk.

PKG inhibitor peptide TFA is an inhibitor of atp-competitive cGMP-dependent protein kinase (PKG), Ki 86 μM.