sodium diethylmalonate
phenylpropynoic acid ethyl ester
6-Methyl-2-oxo-3-phenyl-2H-pyran-5-carbonsaeureethylester
water
4-phenyl-2H-pyran-2,6(3H)-dione
diethyl 3-phenyl-2-pentenedicarboxylate
4-phenyl-2H-<1>benzothieno<3,2-b>pyran-2-thione
4-phenyl-2H-<1>benzothieno<3,2-b>pyran-2-one 5,5-dioxide
4-phenyl-2H-<1>benzothieno<3,2-b>pyran-2-thione 5,5-dioxide
4-phenyl-2H-thiopyrano<3,2-b><1>benzothiophen-2-one 5,5-dioxide