1-Pyrroline-2-acrylamide, (E)- 2-PROPENAMIDE, 3-(3,4-DIHYDRO-2H-PYRROL-5-YL)-, (E)- 35663-85-5 5-22-01-00426 (Beilstein Handbook Reference) Antibiotic U-22662 BRN 0471980 Cyclamidomycin Desdanine NSC 121234 Pyracrimycin A U 22662 trans-3-(3,4-Dihydro-2H-pyrrol-5-yl)-2-propenamide