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CAS NO:123172-52-1
CAS:
123172-52-1
英文名称:
4-dimethyl-4-benzoxazin-3(4h)-on (+-)-2h-7-(4-chlorobenzoyl)-2
(+-)-7-(4-chlorobenzoyl)-2,4-dimethyl-2h-1,4-benzoxazin-3(4h)-one
