8-氨基异喹啉 、
(S)-3-Methylthio-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinolinium iodide 以(S)-3-(isoquinol-8-ylimino)-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline (11.8 g) is obtained in the form of pale yellow crystals, m.p.=206° C.的产率得到(S)-3-(isoquinol-8-ylimino)-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline