A PROCESS FOR THE PREPARATION OF 2,7-DIAMIDINOXANTHENES OR THIOXANTHENES
IYER RAMAN NARAYAN, CHAUHAN PREM MAN SINGH, SHANKHDHAR VEENA, GURU PURUSHOTTAM YESHWANT, SEN AMIYA BUSHAN
Year of Publication 22.09.1990
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Year of Publication 22.09.1990
Patent