Chemistry is traditionally divided into organic and inorganic chemistry. Safety of 4-Methoxyisobenzofuran-1,3-dione, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 14963-96-3
A variety of enol lactones can be prepared through simple and inexpensive solid/liquid phase Wittig condensations of cyclic anhydrides with phosphonium salts.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H2886O – PubChem