lactone,amide

delta-gluconolactone (gdl)
27750-13-6 ((-)-hydroxycitric acid lactone)
l-glucono-gamma-lactone
丁位癸内酯,δ-decanolactone,98%,25ml,25 705-86-2
90-80-2 glucono-δ-lactone usp26 fcciv