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CAS NO:70546-10-0
CAS:
70546-10-0
英文名称:
2h-1-benzopyran-4-carbonitrile, 7-(diethylamino)-3-(5-methyl-2-benzoxazoly)-2-o
7-(diethylamino)-3-(5-methyl-2-benzoxazoly)-2-oxo-2h-1-benzopyran-4-carbonitril
