ethyl 4-methyl-2-(4-oxocyclohexa-2,5-dien-1-ylidene)-3h-1,3-thiazole-5-carboxylate

ethyl 4-methyl-2-(4-oxocyclohexa-2,5-dien-1-ylidene)-3h-1,3-thiazole-5-carboxylate

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