Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O3i	0.82	1.76	2.5485 (19)	161
N1—H1A⋯O4ii	0.89	2.02	2.837 (2)	152
N1—H1B⋯O5iii	0.89	2.03	2.910 (2)	171
N1—H1C⋯O3	0.89	2.30	2.886 (2)	123
N1—H1C⋯O5	0.89	2.16	2.907 (2)	142
N2—H4N⋯O2iv	0.84	2.54	3.341 (2)	159
N2—H5N⋯O2v	0.84	2.57	3.362 (2)	157
N2—H5N⋯O5v	0.84	2.55	3.089 (2)	123
C2—H2⋯O7vi	0.98	2.44	3.201 (2)	134
C3—H3A⋯O4ii	0.97	2.58	3.326 (2)	134
C3—H3B⋯O2v	0.97	2.41	3.253 (2)	145

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) .