欧美日韩亚洲国产精品,91精品久久人人妻人人做人人爱,99精品国产综合久久精品自在,亚洲国产欧美目韩成人综合,site:jiangsuyinhang.com,亚洲最新无码AV在线,韩国激情无码av一区二区

棣栭爜 > 鐢�(ch菐n)鍝佸垪琛� > 鐢�(ch菐n)鍝佽┏绱�(x矛)淇℃伅

2-Cyano-5-methylbenzenesulphonyl chloride
2-姘板熀-5-鐢插熀鑻：閰版隘锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴(zh菙n)锛�

  • 鍒嗗瓙寮忥細 C8 H6 Cl N O2 S
  • 鐢�(ch菐n)鍝佺法铏燂細 OR25992
  • 鍒嗗瓙閲忥細 216
  • CAS锛� 197960-31-9
  • MDL锛� MFCD03659720
  • --

鐩寗浣嶇疆