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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N5—H5⋯O2Ai	0.86	1.97	2.779 (3)	156
N6—H6A⋯O7	0.86	2.26	3.090 (6)	163
N6—H6B⋯O4ii	0.86	2.34	2.892 (4)	122
N6—H6B⋯O2Ai	0.86	2.56	3.230 (5)	135
N5A—H5A⋯O2iii	0.86	2.17	2.935 (3)	149
N6A—H6C⋯O5	0.86	2.36	3.169 (4)	157
N6A—H6D⋯O2iii	0.86	2.25	2.996 (4)	145
N6A—H6D⋯O3iv	0.86	2.26	2.765 (4)	117
C3—H3⋯O6v	0.93	2.31	3.160 (5)	152
C3A—H3A⋯O8vi	0.93	2.42	3.301 (5)	157

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