ChemInform Abstract: Purines. Part 49. Synthesis and Proton Nuclear Magnetic Resonance Study of 3,7-Dialkylxanthines and 1,3,7-Trialkylxanthines.
1984 ◽
Vol 259
(24)
◽
pp. 15085-15088
1976 ◽
Vol 80
(3)
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pp. 279-282
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