Lugrandoside is a novel phenylpropanoid glycoside, lugrandoside, has been isolated from the caulinary leaves of Digitalis Lutea L. and Difitalis Grandiflora Miller.

Chlorogenic acid(NSC-407296; 3-O-Caffeoylquinic acid) is one of the most abundant polyphenols in the human diet, has been reported to inhibit Y cell growth and a major anti-inflammatory constituent of lonicerae flos extract.

N-Methylpyrrolidone (1-Methyl-2-pyrrolidinone) is a five-membered cyclic amide. N-Methylpyrrolidone is a widely used industrial organic polar solvent in the manufacture of adhesives, paints, fuels, and pharmaceuticals.