SEARCH Articles Figures Tables Bardhan-Sengupta phenanthrene synthesis Benzo phenanthrenes synthesis Cyclopropa phenanthrenes, synthesis Haworth phenanthrene synthesis Hayworth phenanthrene synthesis Phenanthren Phenanthrene Phenanthrene Pschorr synthesis Phenanthrene synthesis Phenanthrene synthesis Phenanthrenes Pschorr synthesis of phenanthrenes Synthesis of Substituted Phenanthrenes