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CAS NO:63869-94-3
CAS:
63869-94-3
英文名称:
3,3'-methylenebis(dihydro-6-methyl-2h-pyran-4(3h)-dione
3,3'-methylenebis(dihydro-6-methyl-2h-pyran-2,4(3h)-dione)
5,5'-methylenebis(4,6-dioxo-2-methyldihydropyran)
3,3'-methylenebis(dihydro-6-methyl-2h-pyran-4(3h)-dione
