Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N7—H7N⋯O4i	0.87 (2)	2.18 (2)	3.019 (2)	165 (2)
C44—H44⋯O4i	0.95	2.49	3.305 (3)	144
C37—H37⋯O3ii	0.95	2.48	3.373 (3)	157
C14—H14⋯O1iii	0.95	2.54	3.462 (3)	164

Symmetry codes: (i) x, y-1, z; (ii) -x+{\script{3\over 2}}, y-{\script{1\over 2}}, -z+{\script{1\over 2}}; (iii) -x+1, -y+1, -z+1.