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- [7] APPLICATION OF CHIRAL LANTHANIDE SHIFT-REAGENTS FOR THE DETERMINATION OF ENANTIOMERIC AND DIASTEREOISOMERIC RATIOS OF CHIRAL MIXTURES OF AMPHETAMINE AND EPHEDRINES INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY, 1983, 22 (08): : 762 - 765