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- [21] C-13 NMR-SPECTRA OF CIS-4-ALKYL-3-PHENYL-3 AND TRANS-4-ALKYL-3-PHENYL-3, 4-DIHYDROCOUMARINS DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1979, 32 (07): : 899 - 901
- [23] H-1 AND C-13 NMR-SPECTRA OF 1-CARBONYL-3-METHYL(PHENYL)-4-(DIMETHYLAMINO)-1,3-DIENES AND THEIR 2H-PYRAN VALENCE ISOMERS BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE, 1980, 29 (10): : 1602 - 1606