3-Ethyl-3,4,4a,10a-tetrahydro-2H-1,5-dioxa-3-aza-phenanthren-6-one(C_(13)H_(13)NO_3,M_r=231.24)was synthesized and characterized by FT-IR,~1H NMR spectra,and th
The title compounds, C16H16O5 (I) and C16H16O5·H2O (II), were structurally characterized by single-crystal X-ray diffraction. Compound I crystallizes in mo