聚合甲醛 、
1-(4-甲氧基苯基)哌嗪 、
(3Z)-5-fluoro-1H-indole-2,3-dione 3-(N-methoxy thiosemicarbazone) 以69.35%的产率得到2-(5-fluoro-1-{[4-[4-(methyloxy)phenyl]tetrahydropyrazin-1(2H)-yl]methyl}-2-oxo-1,2-dihydro-3H-indol-3-yliden)-N-(methyloxy)hydrazine-1-carbothioamide