3-ethylcarbamoyl-2,3,4,5-tetrahydro-1H-3-benzazepine-7-sulfonamide   、                                                                                      
环己基异氰酸酯                                                                                                                                                                                                                                                                                                          以there is obtained 1-cyclohexyl-3-[(3-ethylcarbamoyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)sulfonyl]urea, m.p. 158°-160° C.的产率得到1-cyclohexyl-3-[(3-ethylcarbamoyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)sulfonyl]urea