| http://www.w3.org/ns/prov#value | - a. one of R1 and R2 is hydrogen and the other is a member selected from the group consisting of hydroxy, Cl, Br, phenyl, phenoxy, (alk)R3, O(alk)R3, S(alk)R3, NR4 R5 and 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl, where R3 is hydrogen, R4 is hydrogen or (C1 -C4) alkyl and R5 is hydrogen, phenyl, (C5 -C6) cycloalkyl or (alk)R3 where R3 is hydrogen, or R4 and R5 taken together with the nitroge
|
