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

Cg is the centroid of the C14–C19 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.85 (2)	2.10 (2)	2.940 (2)	168 (2)
C3—H3A⋯Cg ii	0.99	2.76	3.622 (2)	146

Symmetry codes: (i) ; (ii) .