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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.86	2.18	2.972 (2)	153
N3—H3⋯O3i	0.86	2.03	2.850 (2)	159
C6—H6A⋯O4ii	0.96	2.55	3.303 (3)	136
C11—H11B⋯O4iii	0.96	2.41	3.346 (3)	164

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