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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O1i	0.84	1.84	2.6675 (14)	170
C2—H2A⋯O2ii	0.99	2.45	3.3817 (16)	156
C4—H4B⋯O2iii	0.99	2.60	3.5273 (18)	156
C8—H8A⋯O1iv	0.95	2.55	3.2625 (17)	132

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