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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1C⋯O2i	0.89	2.21	2.958 (2)	141
N1—H1C⋯O3i	0.89	2.22	2.960 (2)	140
N1—H1D⋯O4	0.89	2.16	2.887 (4)	138
N1—H1D⋯O3	0.89	2.22	2.960 (2)	141
N1—H1E⋯O1	0.89	2.18	2.920 (4)	140
N1—H1E⋯O2	0.89	2.22	2.958 (2)	140

Symmetry code: (i) .