A few years ago, David Byrne was on the cover of Time magazine.几年前,大卫·拜恩曾登上《时代》周刊的封面。Avery met Byrne's mirror - visored gaze and nodded his head.埃弗里的目光与班尼反光面罩后面的眼睛相遇,他点了点头.From Mrs. Byrne's Dictionary of Unusua...
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....