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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1N2⋯O4	0.875 (18)	1.978 (17)	2.6736 (14)	135.6 (14)
C7—H7A⋯O1i	0.93	2.49	3.3599 (16)	156
C12—H12A⋯O4ii	0.93	2.59	3.3961 (16)	145
C16—H16C⋯O2iii	0.96	2.59	3.5116 (19)	162
C17—H17B⋯Cg1iii	0.96	2.64	3.4629 (14)	144

Symmetry codes: (i) ; (ii) ; (iii) . Cg1 is the centroid of the C1–C6 ring.