2-Oxazolidinone, 3-(4-((3-chlorophenyl)ethynyl)phenyl)-5-(methoxymethyl)- 3-(4-((3-Chlorophenyl)ethynyl)phenyl)-5-(methoxymethyl)-2-oxazolidinone 3-para-(1-(2-meta-Chlorophenylethynyl))phenyl-5-methoxymethyl-2-oxazolidinone 79038-53-2