2-Diazo-3-oxo-14-(tetrahydro-pyran-2-yloxy)-tetradec-8-ynoic acid methyl ester

2-Oxo-1-((Z)-pent-2-enyl)-5-[8-(tetrahydro-pyran-2-yloxy)-oct-2-ynyl]-cyclopentanecarboxylic acid methyl ester