METZLER, D E A tricyclic form of thiamine. [electronic resource] - Annals of the New York Academy of Sciences Apr 1962 - 495-8 p. digital Publication Type: Journal Article ISSN: 0077-8923 Standard No.: 10.1111/j.1749-6632.1962.tb30570.x doi Subjects--Topical Terms: HumansThiamine--chemistry