. . . . . . . . . . . . . . . . . . . "experimental"@en . . . "A four-carbon sugar that is found in algae, fungi, and lichens. It is twice as sweet as sucrose and can be used as a coronary vasodilator. [PubChem]"@en . . . . . . "D-Treitol"@en . . . . . . . . .