| http://www.w3.org/ns/prov#value | - 2 CH2 Z1 in which Z1 is a group splittable by the action of an alkali, Q is sulfo, hydroxy, halogeno, lower alkoxy, phenoxy unsubstituted or substituted once or twice by methyl, ethyl, methoxy, chloro, bromo, sulfo or carboxy, or amino, alkylamino, cycloalkylamino, aralkylamino, arylamino, N,N-dialkylamino, N-alkyl-N-cycloalkylamino, N-alkyl-N-arylamino, heterocylic ring-containing amino or N-hete
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