Carbon-13 magnetic resonance of hydroaromatics. 3. Conformation of 1,2,3,4-tetrahydrophenanthrene and 9,10-dihydrophenanthrene and their methyl derivatives
Carbon-13 magnetic resonance of hydroaromatics. 3. Conformation of 1,2,3,4-tetrahydrophenanthrene and 9,10-dihydrophenanthrene and their methyl derivatives