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Yancheng Longshen Chemical Co.,Ltd.??? ?? ??? ?????.

?? ?:Yancheng Longshen Chemical Co.,Ltd.

??:0515-0515-88718898

???:wendy@longshenchem.com

??:China

? ?? ?: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

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