Table 4. Hydrogen-bond geometry (Å, °) for 1 .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O19—H19⋯O19i	0.92 (4)	1.86 (4)	2.7799 (14)	176 (4)
N12—H12⋯O11ii	0.77 (3)	2.15 (3)	2.859 (3)	153 (3)
C18—H18B⋯O11iii	0.99	2.64	3.614 (3)	168
C41—H41B⋯O3	0.98	2.44	3.010 (3)	117

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