Processes for preparing novel methylene blue derivative

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S036000

Reexamination Certificate

active

10715226

ABSTRACT:
Methods for the preparation of 7-(dipropylamino)pheno-thiazin-3-ylidene]-dipropylamine.

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