Return to Article Details SUBSTITUTED 2-AMINONICOTINAMIDES IN THE SYNTHESIS OF PYRIDO[2,3-<i>d</i>]PYRIMIDIN-4(1<i>H</i>)-ONES, 2,3-DIHYDROPYRIDO[2,3-<i>d</i>]PYRIMIDIN-4(1<i>H</i>)-ONES, AND 11b,12-DIHYDROPYRIDO[2',3':4,5]PYRIMIDO[2,1-<i>a</i>]ISOINDOLE-5,7-DIONES Download Download PDF