性欧美视频69_在线播放观看av_Av在线无码网址_在线五月丁香婷啪AV

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

N4,N4鈥�-Diphenyl-N4,N4鈥�-bis(9-phenyl-3-carbazolyl)biphenyl-4,4鈥�-diamine
N4,N4鈥�-浜岃嫰鍩�-N4,N4鈥�-浜�(9-鑻熀-3-鍜斿攽鍩�)鑱�(li谩n)鑻�-4,4鈥�-浜岃兒锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴(zh菙n)锛�

  • 鐢�(ch菐n)鍝佺法铏燂細 SY038348
  • 鍒嗗瓙閲忥細 819
  • CAS锛� 887402-92-8
  • 绱斿害锛� 鈮�98%
  • MDL锛�
  • --