Table 4. Hydrogen-bond geometry (Å, °) for 3 .

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O13—H13⋯N12i	0.893 (18)	1.995 (19)	2.8124 (13)	151.5 (15)
C41—H41A⋯O13ii	0.98	2.63	3.0680 (15)	107
C41—H41C⋯Cg1iii	0.98	2.60	3.4479 (13)	144

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