88220-42-2 Urea, N-(4-chlorophenyl)-N'-[3-(4-chlorophenyl)-2,3-dihydro-2-oxo-4H-1,3-benzoxazin-4-ylidene]-

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88220-42-2 Urea, N-(4-chlorophenyl)-N'-[3-(4-chlorophenyl)-2,3-dihydro-2-oxo-4H-1,3-benzoxazin-4-ylidene]- - 化工 AI 网