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- [7] SULFONATION OF 1H-PYRAZOLO(3,4-B)QUINOXALINES ZEITSCHRIFT FUR CHEMIE, 1973, 13 (03): : 100 - 101
- [9] SYNTHESIS OF 1H-PYRAZOLO[3,4-B]PYRIDINE AND RELATED COMPOUNDS YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN, 1976, 96 (01): : 33 - 36
- [10] NITRATION OF 1-PHENYL-1H-PYRAZOLO (3,4-B) QUINOXALINES ZEITSCHRIFT FUR CHEMIE, 1973, 13 (01): : 11 - 12