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4-(2,3-dichloro-6-fluorophenyl)-1,4,5,6,7,8-hexahyd ro-2-methyl-5-oxo-1,7-naphthyridine-3-carboxylic acid 2-(2,3-dichlorophenoxy)ethyl ester

US Patent 4618678 · Granted Oct 21, 1986

Estimated economic value: $19,631,000

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