3-[2,3-dihydro-1,4-benzodioxin-6-ylmethylamino]-4-fluorobenzonitrile 、
5-amino-2,4-difluorobenzonitrile 、
1,4-苯并二恶烷-6-甲醛 以the title compound was obtained as a brown oil in 86% yield, which的产率得到5-[(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)amino]-2,4-difluorobenzonitrile