3-(3,4-dimethoxyphenyl)-5a,6,8,9-tetrahydro-1H,7H- pyrano[4,3-b][1]benzopyran-1-one

C₂₀H₂₀O₅

Robinson, Paul D.Beatty, AliciaHua, Duy H.Chen, YiMeyers, Cal Y.Perchellet, Elisabeth M.Ladesich, James B.Perchellet, Jean-Pierre

Acta Crystallographica Section C (1999) 55, 7 1188-1190

a=8.1017(12)Å   b=22.918(4)Å   c=8.9358(11)Å

α=90.00°   β=94.453(8)°   γ=90.00°