久久一级一级特意黄片_国产a级毛片久久久精品毛片_久久精品无码免费视频_日韩欧美亚洲综合久久

Welcome to Quzhou Run Qi Chemical Co., Ltd. Website!
  • Keywords:
products

2,3,5,6-Tetrachloropyridine

Product Name: 2,3,5,6-Tetrachloropyridine

CAS NO.: 2402-79-1

Use: Mainly used as pharmaceutical and pesticide intermediate.