dimethyl 2-exo-methyl-3,4-benzobicyclo<3.1.0>hex-3-ene-2-endo,6-endo-dicarboxylate

(1S,1aS,6S,6aR)-6-Methyl-1-(tetrahydro-pyran-2-yloxymethyl)-1,1a,6,6a-tetrahydro-cyclopropa[a]indene-6-carboxylic acid methyl ester