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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯O7	0.82	1.66	2.4200 (13)	152
N1—H1⋯O6i	0.86	1.82	2.6768 (14)	174
N2—H2A⋯O7i	0.86	2.11	2.9668 (15)	176
N2—H2B⋯O1ii	0.86	2.16	2.8468 (15)	137
N2—H2B⋯O2ii	0.86	2.40	3.1723 (16)	149
C2—H2⋯O4iii	0.93	2.49	3.4073 (16)	169
C4—H4⋯O3iv	0.93	2.39	3.2371 (16)	151
C5—H5⋯O2ii	0.93	2.44	3.2328 (17)	143

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