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- [8] C-13, N-15 AND O-17 NMR CHEMICAL-SHIFTS OF SUBSTITUTED 1-PHENYL-2-PYRROLIDINONES SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1986, 42 (09): : 1005 - 1008
- [9] N-15 NMR - SUBSTITUENT EFFECTS ON NITROGEN CHEMICAL-SHIFTS IN ANILINIUM IONS ORGANIC MAGNETIC RESONANCE, 1976, 8 (07): : 350 - 353