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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4A⋯N4i	0.85	2.00	2.760 (9)	149.1
O4—H4B⋯N3ii	0.85	2.00	2.814 (10)	160.5
O5—H5B⋯N9iii	0.85	2.16	2.993 (9)	167.4
O5—H5C⋯O1iv	0.85	1.99	2.770 (8)	152.2

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