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THE SUBSTITUENT EFFECTS ON THE CHEMICAL SHIFTS OF AROMATIC PROTONS IN HETEROCYCLIC COMPOUNDS
LIANG DE-SHENG, LAI ZHU-GEN, XU GUAN-ZHI, JIANG MING-QIAN(CHIANG MING-CHIEN)
Acta Chimica Sinica . 1982, (
1
): 57 -66 .
