4-甲基異苯并呋喃-1,3-二酮;
2-Methylphthalic anhydride;4-Methylisobenzofuran-1,3-dione;4-Methyl-2-benzofuran-1,3-dione;1,3-Isobenzofurandione, 4-methyl-;3-Methyl ohthalic anhydride;
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