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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1⋯N4i	0.93	2.57	3.448 (3)	157
C2—H2⋯N2ii	0.93	2.43	3.284 (3)	152
C11—H11B⋯N1iii	0.96	2.60	3.543 (3)	166

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