3750-26-3 4-Acetamido-4-penten-3-one-1-carboxamide 5-(Acetylamino)-4-oxo-5-hexenamide 5-Hexenamide, 5-(acetylamino)-4-oxo- 5-Hexenamide, 5-acetamido-4-oxo- NSC525602 PRIMOCARCIN WLN: ZV2VYU1&MV1