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3(2H)-furanone, 2-(1-hydroxyethylidene)-(7ci)

3(2H)-furanone, 2-(2,4-dichlorophenyl)-4-(4-methoxy-2-pyridinyl)-5-(methylamino)-

3(2H)-furanone, 2-(2,4-dichlorophenyl)-4-[4-(ethylthio)-2-pyridinyl]-5-(methylamino)-

3(2H)-furanone, 2-(2-chlorophenyl)-4-(4-chloro-2-pyridinyl)-5-(methylamino)-

3(2H)-furanone, 2-(2,4-dichlorophenyl)-5-(methylamino)-4-(4-methyl-2-pyridinyl)-

3(2H)-furanone, 2-(2-chlorophenyl)-4-(4-chloro-2-pyridinyl)-5-(ethylamino)-

3(2H)-furanone, 2-(2-chlorophenyl)-5-(methylamino)-4-(4-methyl-2-pyridinyl)-

3(2H)-furanone, 2-(2-chlorophenyl)-4-(4-methoxy-2-pyridinyl)-5-(methylamino)-

3(2H)-furanone, 2-(2-chlorophenyl)-5-(ethylamino)-4-(4-methyl-2-pyridinyl)-

3(2H)-furanone, 2-(3,4-dichlorophenyl)-4-[4-(ethylthio)-2-pyridinyl]-5-(methylamino)-