This indicates that the researchers have developed a new or previously unexplored method for synthesizing the mentioned chemical compounds.
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(E)-3-(2-cyanovinyl)-9,10-dimethoxy-4-oxo-2-((triphenylphosphoranylidene)-amino)-6,7-dihydro-4H-pyrido[2,1-a]isoquinoline-1-carbonitrile
3(2H)-Isoxazolone, 5-ethyl-
