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Yancheng Longshen Chemical Co.,Ltd.??? ?? ??? ?????.
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Yancheng Longshen Chemical Co.,Ltd.
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0515-0515-88718898
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wendy@longshenchem.com
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China
URL:
www.longshenchem.com/
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103
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Ethyl tetrazole-5-carboxylate
??????-5-???????
55408-10-1
C4H6N4O2
4-Bromotoluene
4-??????
106-38-7
C7H7Br
3-Chloroaniline
M-??????
108-42-9
C6H6ClN
1
2
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