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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O4i	0.86	2.02	2.755 (3)	143
N1—H1A⋯O1i	0.86	2.21	2.880 (3)	135
C1—H1⋯O4ii	0.93	2.49	3.381 (3)	160
C2—H2⋯O3ii	0.93	2.57	3.195 (3)	125
C4—H4⋯O2	0.93	2.42	3.272 (3)	153
C5—H5⋯O1	0.93	2.46	3.215 (3)	138

Symmetry codes: (i) ; (ii) .