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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N5—H5A⋯O1i	0.856 (19)	1.882 (19)	2.730 (3)	170.8 (19)
N6—H6A⋯O2ii	0.85 (2)	1.976 (19)	2.805 (3)	163 (3)
N6—H6B⋯O3	0.85 (2)	2.12 (2)	2.883 (3)	150 (2)
C9—H9⋯O2iii	0.93	2.51	3.097 (3)	121
C9—H9⋯O7iv	0.93	2.57	3.285 (3)	134
C11—H11C⋯O5v	0.96	2.59	3.241 (4)	126

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