Wexler, A Letter: Fluorine control of regioselectivity in photocycloaddition reactions. The direct functionalization of uracil via a novel 1,4-fragmentation. [electronic resource] - Journal of the American Chemical Society Mar 1976 - 1602-4 p. digital Publication Type: Journal Article ISSN: 0002-7863 Standard No.: 10.1021/ja00422a066 doi Subjects--Topical Terms: CyclizationFluorouracilPhotochemistryUracil