Sobell, H M The crystal structure of a purine-pyrimidine hydrogen-bonded complex: 9-ethyl-2-aminopurine and 1-methyl-5-fluorouracil. [electronic resource] - Journal of molecular biology Jun 1966 - 1-7 p. digital Publication Type: Journal Article ISSN: 0022-2836 Standard No.: 10.1016/s0022-2836(66)80071-2 doi Subjects--Topical Terms: FluorouracilPurinesPyrimidinesX-Ray Diffraction