abstract |
WHEREIN X is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy, and n is an integer from 0 to 5. D R A W I N G This invention discloses new compounds of the formula wherein R1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsufonyl and alkylsulfinyl; R2 is alkyl; R3 is selected from the group consisting of hydrogen and alkyl; Y is selected from the group consisting of oxygen and sulfur; and R4 is selected from the group consisting of hydrogen, alkyl, cycloalkyl and |