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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O1i	0.899 (15)	2.011 (15)	2.8922 (10)	166.0 (16)
N3—H2N3⋯O1	0.900 (16)	2.245 (19)	3.0373 (12)	146.7 (15)
N3—H2N3⋯O3i	0.900 (16)	2.408 (16)	3.0916 (11)	133.0 (15)
N3—H1N3⋯O2ii	0.938 (15)	1.884 (16)	2.8071 (12)	167.7 (15)
N2—H1N2⋯O3i	0.954 (16)	1.686 (18)	2.6206 (11)	165.7 (17)
C3—H3A⋯O1iii	0.95	2.33	3.2598 (11)	166
C9—H9A⋯O1iv	0.95	2.54	3.3750 (12)	146

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