Fun, H.-K.Loh, W.-S.Rai, S.Shetty, P.Isloor, A.M.2026-02-052009Acta Crystallographica Section E: Structure Reports Online, 2009, 65, 8, pp. o1972-16005368https://doi.org/10.1107/S1600536809028657https://idr.nitk.ac.in/handle/123456789/27604In the title compound, C<inf>14</inf>H<inf>19</inf>N<inf>3</inf>O <inf>4</inf>, the perhydro-pyran ring adopts a chair conformation. An intra-molecular C - H?O hydrogen bond generates an S(6) ring motif. In the crystal packing, molecules are linked by O - H?O hydrogen bonds, forming infinite chains along [100]. © 2009 Fun et al.