... Shimada, Kazuaki; Kodaki, Keiichi; Aoyagi, Shigenobu; Takikawa, Yuji; Kabuto, Chizuko. Chemistry Letters (1999), (7), 695-696CODEN ... A stable α-lactam, 1,3-di-tert-butylaziridinone. Sheehan, John C.; Beeson, James H. Journal of the American Chemical Society (1967), 89 ...