| 摘要 |
The invention discloses compounds of the formula OHCH2 ¦ ANGLE N---NCHCH2 PARALLEL PARALLEL ¦¦ R1-CC-NN-R2 ANGLE ANGLE SC PARALLEL O wherein R1 is selected from the group consisting of alkyl of up to 4 carbon atoms, alkenyl, chloroalkyl, trifluoromethyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; and R2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and R3 ¦ -C-C 3BOND CH ¦ R wherein R3 and R 4 are each selected from the group consisting of hydrogen and alkyl.
|
