Table 2. Short inter­atomic contacts (Å)^a in the crystal of compound 3 .

Atom1⋯Atom2	Length	Length − vdW
O2⋯H8B ii	2.515	−0.205
C4⋯H15C iii	2.830	−0.070
O2⋯H15B ii	2.686	−0.034
C2⋯H8A iv	2.918	0.018
C3⋯H14C iii	2.977	0.077
H7C⋯H17A iv	2.484	0.084
O1⋯H16A iv	2.814	0.094

Note: (a) Calculated using Mercury (Macrae et al., 2020 ▸). Symmetry codes: (ii) x, −y + , z − ; (iii) x, y, z − 1; (iv) x − 1, y, z.