N,N’-(亚甲基-二-4,1-亚苯基)-二(六氢-2-氧代)-1H-氮杂卓-1-甲酰胺

1-methyl-3-[4-[[4-(methylcarbamoylamino)phenyl]methyl]phenyl]urea

N,N'-(4,4'-methanediyl-di-phenyl)-bis-carbamic acid dibutyl ester