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New colourful ionic couples with pyridine cation and phenolosulphophtaleiniane anion and production method of new colourful ionic couples with pyridine cation and phenolosulphophtaleiniane anion
New colourful ionic couples with pyridine cation and phenolosulphophtaleiniane anion and production method of new colourful ionic couples with pyridine cation and phenolosulphophtaleiniane anion