Lin-Lin Ma

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In the asymmetric unit of the title compound, C(2)H(10)N(2) (2+)·2C(7)H(7)O(3)S(-)·H(2)O, there are two independent 4-methyl-benzene-sulfonate anions, one ethyl-enediammonium cation and a water mol-ecule. The present redetermination was carried out to improve the treatment of disorder, which was not refined in the previous study [Ahn & Kim (1985 ▶). J.(More)
In the title compound, C(11)H(14)N(4)O(4)·C(2)HCl(3)O(2), the dioxolane ring adopts an envelope conformation. Doxophylline [7-(1,3-dioxolan-2-yl-meth-yl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione] and trichloro-acetic acid mol-ecules are linked by O-H⋯N and C-H⋯O hydrogen bonds.
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