30837-62-8
1,3-dihydroperimidine-2-thione
+
627-31-6
1,3-二碘丙烷
→
~97%
72391-43-6
10,11-dihydro-9H-[1,3]thiazino[3,2-a]perimidine
109-64-8
1,3-二溴丙烷