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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1N2⋯O1i	0.93 (3)	2.55 (3)	3.254 (2)	134 (3)
N2—H1N2⋯O2i	0.93 (3)	1.78 (3)	2.688 (2)	167 (3)
N3—H1N3⋯O2ii	0.85 (4)	2.04 (4)	2.875 (2)	170 (4)
N3—H2N3⋯O1i	0.94 (3)	1.84 (3)	2.778 (2)	173 (3)
C3—H3A⋯O4iii	0.97 (2)	2.53 (2)	3.160 (2)	123 (2)
C6—H6A⋯O1ii	1.00 (2)	2.46 (2)	3.116 (2)	123 (3)
C7—H7A⋯O1ii	1.00 (3)	2.45 (3)	3.102 (2)	122 (2)
C9—H9A⋯O3iv	0.96 (3)	2.33 (3)	3.276 (3)	168 (3)
C13—H13C⋯O4v	0.96	2.55	3.335 (2)	139

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