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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯O2i	0.92 (4)	1.77 (4)	2.662 (4)	163 (4)
N4—H4A⋯O1i	0.85 (5)	2.22 (5)	3.056 (4)	170 (4)
N4—H4B⋯O3	0.89 (5)	1.97 (5)	2.854 (4)	176 (4)
C7—H7⋯O1ii	0.93	2.58	3.250 (4)	130
C14—H14⋯O4iii	0.93	2.42	3.160 (4)	136

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