InChI=1/C15H17NO3/c1-4-18-13(17)10-12-15(2,3)16-14(19-12)11-8-6-5-7-9-11/h5-10H,4H2,1-3H3/b12-10 acetic acid, (4,4-dimethyl-2-phenyl-5(4H)-oxazolylidene)-, ethyl ester, (2Z)- ethyl (2Z)-(4,4-dimethyl-2-phenyl-1,3-oxazol-5(4H)-ylidene)acetate