参考文献:10.1007/s11164-015-2270-4 摘要:Mundra S, Mahesh R. Pyridine-based, microwave-assisted one-pot synthetic protocol for the synthesis of ethyl 3-substituted-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylates. Research on Chemical Intermediates. 2015 Oct 11;42(5):4207–19. doi: 10.1007/s11164-015-2270-4.