prov:value
| - ein the alkyl group contains up to 10 carbon atoms and the aryl group includes phenyl, naphthyl, tolyl, nitrophenyl, chlorophenyl or aralkyl such as phenethyl, and the like; cyclic N-compounds such as morpholines, piperidines, aziridines including substituted morpholine and piperidine compounds and illustratively, 4-ethylmorpholine, 3-chloromorpholine, 1,4-diazacyclohexane, and the like; imidazoli
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