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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Crystal structures of two compounds - 1-methyl-2-phenylthiomethyl-3-carbethoxy-4-dimetylaminomethyl-5-hydroxy-6-bromoindole (1) and its hydrochloride monohydrate (2), known also as antiviral drug arbidol (R), were determined from single-crystal and powder diffraction data, respectively. In 1, the hydroxyl and dimethylamino groups are involved in a strong intramolecular O-H center dot center dot center dot N hydrogen bond [O center dot center dot center dot N 2.550(4) angstrom]. In 2, the protonation site is dimethylamino group but not the carbon bearing the ester group.