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- [7] C-13 NUCLEAR MAGNETIC-RESONANCE SPECTRA OF CEVERATRUM ALKALOIDS ORGANIC MAGNETIC RESONANCE, 1980, 14 (02): : 141 - 144
- [10] C-13 NUCLEAR MAGNETIC-RESONANCE SPECTROSCOPY OF CEPHALOTAXUS ALKALOIDS ORGANIC MAGNETIC RESONANCE, 1980, 13 (02): : 114 - 115