2,3-Diaminonaphthalene is a highly selective fluorometric and colorimetric reagent for selenium detection and also used for the fluorometric determination of nitrite.

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

2-Chloroindole is a marine derived natural products found in Ptychodera flava.