D—H···A	D—H	H···A	D···A	D—H···A
N1—H1···O1	0.78 (4)	1.88 (4)	2.569 (5)	148 (4)
O2—H2···O1	0.82	2.34	2.768 (5)	113
O2—H2···N3i	0.82	2.16	2.862 (5)	144
N2—H2A···O1ii	0.86	1.94	2.790 (4)	172
C18—H18A···O4iii	0.96	2.52	3.469 (5)	171