6-[3-methyl-4-(4-aminobutyl)phenyl]-4,5-dihydropyridazin-3(2H)-one 、
烟酸 以6-[3-methyl-4-[4-(pyridin-3-ylcarbonylamino)butyl]phenyl]-4,5-dihydropyridazin-3(2H)-one was obtained的产率得到6-[3-methyl-4-[4-(pyridin-3-ylcarbonylamino)butyl]phenyl]-4,5-dihydropyridazin-3(2H)-one