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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C12—H12B⋯O1	0.96	2.50	3.210 (2)	130
C12—H12C⋯O4i	0.96	2.44	3.376 (2)	164
C14—H14⋯O1	0.93	2.48	3.177 (2)	132

Symmetry code: (i) -x, -y, -z+1.