78183-21-8 6-Acetyloxy-2-[(E)-2-(4-acetyloxyphenyl)ethenyl]-4H-3,1-benzoxazin-4-one

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78183-21-8 6-Acetyloxy-2-[(E)-2-(4-acetyloxyphenyl)ethenyl]-4H-3,1-benzoxazin-4-one - 化工 AI 网