1-tert-butoxycarbonyl-3-cyano-4-pyrrolidone |
1-boc-3-cyano-4-pyrrolidone |
1-tert-butoxycarbonyl-3-cyano-4-pyrrolidinone |
1-boc-3-cyano-4-pyrrolidinone |
tert-butyl 3-cyano-4-oxopyrrolidine-1-carboxylate |
3-cyano-4-oxopyrrolidine-1-carboxylic acid tert-butyl ester |