... Carbon Atoms of Compounds 52'/-d, 621,], and 721, b Carbon Atom“ PaP°1'$ SYNTHESIS passed over ... The resultant g N on _ “ ' solution is hydrolyzed with 5 normal sulfuric acid (50 ml), extiaeted H ll ... The solvent is removed under reduced pressure and the (P “W ._._ ,,_“__ ,_,_ ...