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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O3	0.86	2.55	2.940 (2)	108
C12—H12⋯O3i	0.93	2.59	3.425 (3)	150
O3—H3⋯O4ii	0.82	1.85	2.666 (2)	176
N1—H1⋯O2iii	0.86	2.30	3.128 (2)	162
C5—H5⋯O4iv	0.93	2.53	3.256 (4)	135
C10—H10⋯O1v	0.93	2.51	3.165 (3)	127

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