3,4-二氢-2H-苯并[b]噁嗪-5-酮

4-(hydroxymethylidene)-2,3-dihydro-1-benzoxepin-5-one

(5-oxo-2,3-dihydro-1-benzoxepin-4-ylidene)methyl benzoate

4-(2-methoxycarbonylethyl)-4-methyl-3,4-dihydro-1-benzoxepin-5(2H)-one

3-(4-methyl-5-oxo-2,3-dihydro-1-benzoxepin-4-yl)propanoic acid