| http://www.w3.org/ns/prov#value | - 8. 5-(N-3,4,5,6-tetrahydrophthalimido)benzoic acid thiol ester of formula Ic ##STR36## wherein n is zero, 1 or 2, R1 is C1 -C3 alkyl, R2 is fluorine, R3 is chlorine or bromine, A is a C1 -C4 alkylene bridge, R4 is hydrogen, C1 -C6 alkyl or C2 -C6 alkoxyalkyl and R10 are independently of each other C1 -C4 alkyl, C1 -C4 haloalkyl, or together form a 1,2-ethylene, 1,3-propylene or 1,2-cyclohexane bri
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