欧美精品23页在线观看,国产视频a级96

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Welcome to Jiande Xingfeng Chemical Co.,Ltd.

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3,4-Dimethoxybenzophenone

Chemical name	3,4-Dimethoxybenzophenone
CAS RN	4038-14-6
EINECS No.
Molecular Formula	C₁₅H₁₄O₃
Molecular Weight	242.2699
Hazard Symbols
Risk Codes
Safety Description
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