1-(5-Hydroxy-2,2,8,8-tetramethyl-2<i>H</i>,8<i>H</i>-pyrano[2,3-<i>f</i>] chromen-6-yl)ethanone

C₁₈H₂₀O₄

Pawar, SunaynaCheddie, AdeleOmondi, BernardKoorbanally, Neil Anthony

Acta Crystallographica Section E (2012) 68, 10 o3048

a=8.5039(6)Å   b=9.5370(6)Å   c=10.7859(7)Å

α=102.180(3)°   β=102.621(3)°   γ=110.671(3)°