Ethacrynic acid D5 is a deuterium labeled Ethacrynic acid. Ethacrynic acid is a diuretic. Ethacrynic acid is an inhibitor of glutathione S-transferases (GSTs). Ethacrynic acid is a potent inhibitor of NF-kB-signaling pathway, and also modulates leukotriene formation. Ethacrynic acid also inhibits L-type voltage-dependent and store-operated calcium channel, leading to relaxation of airway smooth muscle (ASM) cells. Ethacrynic acid has anti-inflammatory properties that reduces the retinoid-induced ear edema in mice.

α-Angelica lactone is a naturally occurring anticarcinogen and an vinylogous nucleophile. α-Angelica lactone can give the chiral δ-amino γ,γ-disubstituted butenolide carbonyl derivatives and exhibitselectrophilic trapping at the γ-carbon. α-Angelica lactone exerts strong chemoprotective effects by selective enhancement of glutathione-S-thansferase (GST) and UDP-glucononosyltransferase (UGT) detoxification enzymes.