| 摘要 |
1479126 Substituted ureas STAUFFER CHEMICAL CO 13 Jan 1976 [13 Jan 1975] 01179/76 Heading C2C The invention comprises compounds of the formula where X is H or Cl and R is C 1 -C 12 alkyl; C 2 -C 4 alkenyl; CH 3 CO; where R 2 is C 1 -C 4 alkyl; R 3 O.CO.(CH 2 )m-, where R 3 is C 1 -C 6 alkyl and m is 1 or 2; where Z is Cl, Br, I or CF 3 and n is 1-3; where Y is H, Cl, Br or I and x is 1 or 2. The compounds may be prepared by reacting 3- trifluoromethyl, 4-X, phenyl isocyanate with a compound of the formula |
