Return to Article Details NEW METHOD FOR THE SYNTHESIS OF 1,2,3,6,7,11b-HEXAHYDRO-4H-PYRIMIDO-[6,1-<i>a</i>]ISOQUINOLINE-4-THIONES AND 2,3,6,7,12,12b-HEXAHYDROPYRIMIDO[6,1-<i>a</i>]-β-CARBOLINE-4(1H)-THIONES Download Download PDF