2-heptynoic acid, 7-oxo-7-phenyl-, methyl ester InChI=1/C14H14O3/c1-17-14(16)11-7-3-6-10-13(15)12-8-4-2-5-9-12/h2,4-5,8-9H,3,6,10H2,1H methyl 7-oxo-7-phenylhept-2-ynoate