2 4-dimethyl-4-phenyltetrahydrofuran July 8, 2019 16 32 64 128 2 4 dimethyl 4 phenyltetrahydrofuran 2 4'-dihydroxydiphenylmethane 2 5-dimethyl tetrahydrofuran 2 4-dinitrophenylhydrazine melting point
