2-Pyrrolidinone, 3-methyl-5-(2-thienylmethyl)-, trans- 97561-79-0 SR 42008 trans-3-Methyl-5-(2-thienylmethyl)-2-pyrrolidinone trans-Methyl-3 (thienyl-2 methyl)-5 pyrrolidinone-2 [French]