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

1-tert-Butyl 4-methyl 4-hydroxypiperidine-1,4-dicarboxylate
1-(鍙斾竵鍩�)-4-鐢插熀4-缇ュ熀鍝屽暥-1,4-浜岀晶閰搁叝锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴(zh菙n)锛�

  • 鍒嗗瓙寮忥細 C12H21NO5
  • 鐢�(ch菐n)鍝佺法铏�(h脿o)锛� F469122
  • 鍒嗗瓙閲忥細 259
  • CAS锛� 495415-09-3
  • 绱斿害锛� 97%
  • MDL锛�
  • Fluorochem