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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H4⋯O1i	0.86	2.46	3.239 (3)	151 (1)
C11—H11⋯O1i	0.93	2.56	3.467 (3)	165 (1)
C12—H12⋯O2ii	0.93	2.55	3.302 (3)	139 (1)

Symmetry codes: (i) ; (ii) .