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- [4] SYNTHESIS OF PYRIMIDINE-DERIVATIVES HAVING OXO, THIOXO OR AMINO FUNCTIONS AT POSITION-4 FROM 1,2,4-DITHIAZOLIUM SALTS LIEBIGS ANNALEN DER CHEMIE, 1991, (04): : 345 - 348
- [7] SYNTHESIS OF 3-SUBSTITUTED 5(H)-OXO[1]BENZOPYRANO-[4,3-B]PYRIDINES AND 2,3-DIARYL-4(H)-OXO[1]BENZOPYRANO-[4,3-B]PYRROLES INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY, 1984, 23 (03): : 206 - 208