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4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID

4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID ??? ???

???(??):: 3-Butenoic acid, 4-hydroxy-4-(3-nitrophenyl)-2-oxo-;4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID;(3Z)-4-hydroxy-4-(3-nitrophenyl)-2-oxobut-3-enoic acid

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4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID ??

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4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID 2-OXO-4-PHENYL-BUT-3-ENOIC ACID 4-HYDROXY-4-(3-NITRO-PHENYL)-2-OXO-BUT-3-ENOIC ACID METHYL ESTER