| http://www.w3.org/ns/prov#value | - The process of claim 1 wherein the compound (b) is a cyclic amidine of the formula ##STR37## wherein p is an integer of from 2 to 4,R4 represents a straight-chain or branched C1 to C4 -alkyl, and R2 represents a straight-chain or branched C1 to C4 alkyl, a --(CH2)p --N--(R4)2 or a C5 to C7 cycloalkyl radical. 33.
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