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. 2017 May 26;73(Pt 6):880–885. doi: 10.1107/S2056989017007472
D—H···A D—H H···A D···A D—H···A
N1—H2···Oi 0.88 2.02 2.8970 (12) 175
N1—H1···N4ii 0.88 2.16 3.0017 (14) 161