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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯N1	0.86	2.15	2.619 (2)	114
C17—H17⋯O1i	0.96	2.49	3.424 (2)	164

Symmetry code: (i) .