Sulfoalkyl benzoxazoleinylidene butenylidene thiobarbituric acid

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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544306, 548217, 548225, 548231, C07D40506, C07D40906, G03G 506

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active

049067508

ABSTRACT:
A merocyanine dye having the formula: ##STR1## wherein: R.sub.1 and R.sub.2 independently are H, alkyl, alkoxy or aryl; R.sub.7 and R.sub.8 are H or

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