1-((5-Methyl-1,2,4-oxadiazol-3-yl)methyl)-2-pyrrolidinone 126145-47-9 2-Pyrrolidinone, 1-((5-methyl-1,2,4-oxadiazol-3-yl)methyl)- 3-(2-Oxopyrrolidinomethyl)-5-methyl-1,2,4-oxadiazole BRN 4294014