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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O5i	0.86	2.25	2.839 (3)	126
N2—H2N⋯O1ii	0.86	2.14	2.922 (3)	151
C8—H8⋯O2	0.93	2.49	3.116 (3)	125
C9—H9⋯O4iii	0.93	2.60	3.237 (3)	126
C14—H14A⋯O2iv	0.96	2.56	3.401 (4)	147

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