久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

diisopropylamine的音標(biāo)：diisopropylamine的英式發(fā)音音標(biāo)為：[d?s?pr?p?'l?ma?n]diisopropylamine的美式發(fā)音音標(biāo)為：[d?s?pr?p?'l?ma?n]...

isopropylamine的音標(biāo)：isopropylamine的英式發(fā)音音標(biāo)為：[a?s?pr?p?'l?ma?n]isopropylamine的美式發(fā)音音標(biāo)為：[a?s?pr?p?'l?ma?n]...

二異丙胺...

異丙胺...

N, N - Diisopropylethylamine ( DIPEA ) was prepared from diisopropylamine ( DIPA ) and diethyl sulfate ( Et _ 2 SO _ 4 ).以二異丙胺 ( DIPA ) 、硫酸二乙酯 ( Et2SO4 ) 為原料合成N, N二異丙基乙基胺 ( DIPEA ).Objective The study of effect of Diisop...