154970-45-3-久久国产加勒比精品无码_露了私处的国产极品视频

产品名称5-Norbornene-2-carboxylic t-Butyl ester化学名5-Norbornene-2-carboxylic t-Butyl ester用途5-Norbornene-2-carboxylic t-Butyl esterCAS154970-45-3-久久国产加勒比精品无码_露了私处的国产极品视频

t-butyl5-norbornene-2-carboxylate

bnc

5-norbornene-2-carboxylict-butyl ester

t-butylbicyclo[2.2.1]hept-5-ene-2-carboxylate

cas:154970-45-3-久久国产加勒比精品无码_露了私处的国产极品视频

bp:243ºc

colorless touid

purity:98.0%min