1,3-Benzenedicarboxylicacid, 5-[4,5-dihydro-3-[[4-(methoxycarbonyl)phenyl]amino]-5-oxo-1H-pyrazol-1-yl]-,dimethyl ester (9CI); Isophthalic acid,5-[3-(p-carboxyanilino)-5-oxo-2-pyrazolin-1-yl]-, trimethyl ester (7CI,8CI)
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