| http://www.w3.org/ns/prov#value | - Compounds of formula (II) where m=1, n is 0, the bond between A and N is a single bond and R5 is ???(C???O)???C1-5 alkyl are prepared by treatment of compounds of formula (II) where m=1, n is 0, the bond between A and N is a single bond and R5 is hydrogen with alkyl acid chlorides or anhydrides.
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