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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N8—H8⋯O29	0.86	2.09	2.939 (2)	169
N28—H28⋯O9	0.86	2.08	2.924 (3)	168
C6—H6C⋯O29	0.96	2.54	3.434 (4)	154
C27—H27C⋯O9	0.96	2.57	3.442 (4)	151