Acta Cryst. (2006). E62, o1371-o1372  [ doi:10.1107/S1600536806007203 ]

(S)-Methyl 6,7,8,9,10,11-hexahydro-1,6-dimethyl-10,11-dioxophenanthro[1,2-b]furan-6-carboxylate (methyl tashinonate)

J.-K. Qin, M.-H. Zeng and S. W. Ng

Abstract: The approximately planar molecules of methyl tanshinonate, C₂₀H₁₈O₅, are stacked over each other along the b axis of the monoclinic unit cell. There are two independent molecules in the asymmetric unit.

Online 15 March 2006

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