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

伪,伪,伪',5-Tetramethyl-1,?3-?benzenediacetonitril?e
2-(3-(1-姘颁箼鍩�)-5-鐢插熀鑻熀)-2-鐢插熀涓欒厛锛堥樋閭ｆ洸鍞戦洔璩�(zh矛)锛�锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴(zh菙n)锛�

  • 鍒嗗瓙寮忥細 C??H??N
  • 鐢�(ch菐n)鍝佺法铏�(h脿o)锛� T303620
  • 鍒嗗瓙閲忥細 212
  • CAS锛� 120512-38-1
  • 绱斿害锛� 96%
  • MDL锛�
  • --