1-(5,6-dimethyl-8-propyl-7H-imidazo[4,5-c]tetrazolo[1,5-a]pyridin-7-yl)-2-methylpropan-2-amine   、                                                                                      
环己基异氰酸酯                                                                                                                                                              在
                                                                                                                                                                                 
氮   、                                                                                                  ice   、                                                                                                  diethyl                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以to provide 2.11 g of N-[2-(5,6-dimethyl-8-propyl-7H-imidazo[4,5-c]tetrazolo[1,5-a]pyridin-7-yl)-1,1-dimethylethyl]-N′-cyclohexylurea as a white solid, mp 196.0-198.0° C.的产率得到N-[2-(5,6-dimethyl-8-propyl-7H-imidazo[4,5-c]tetrazolo[1,5-a]pyridin-7-yl)-1,1-dimethylethyl]-N'-cyclohexylurea