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Beijing Wenhaiyang Industry & Trading Co., Ltd??? ?? ??? ?????.
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Beijing Wenhaiyang Industry & Trading Co., Ltd
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8610-62479431
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sale@zhaoteng.com
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China
URL:
www.is0513.com/ShowSupplierProductsList5776/0.htm
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1,6,7,12-Tetrachloroperylene tetracarboxylic acid dianhydride
1,6,7,12-?????????????????????
156028-26-1
C24H4Cl4O6
1
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