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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O1i	0.85 (2)	1.99 (2)	2.836 (2)	173.0 (18)
N2—H1N2⋯O3ii	0.92 (3)	2.04 (3)	2.9561 (19)	172 (3)
N3—H1N3⋯O1	0.809 (19)	2.015 (19)	2.8204 (19)	174 (2)
N2—H2N2⋯O3iii	0.839 (19)	2.015 (19)	2.8069 (19)	157.2 (19)
N3—H2N3⋯O2ii	0.91 (2)	1.96 (2)	2.8633 (17)	173 (2)
C9—H9⋯O1	0.97 (2)	2.463 (18)	2.8563 (18)	103.8 (13)
C19—H19B⋯O2iv	0.97 (2)	2.57 (2)	3.332 (2)	134.8 (14)
C4—H4⋯Cg2v	0.947 (19)	3.22 (2)	3.943 (2)	134.7 (14)
C17—H17⋯Cg1iii	0.99 (2)	2.92 (2)	3.471 (2)	116.0 (15)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) . Cg1 and Cg2 are the centroids of C7–C12 and C13–C18 benzene rings, respectively.