1,1-Pentamethylenebiuret 1-Piperidinecarboxamide, N-(aminocarbonyl)- (9CI) 1-Piperidinocarbonylurea 22782-77-0 4-20-00-00990 (Beilstein Handbook Reference) 5,5-Pentamethylene biuret BRN 0157446 Biuret, 5,5-pentamethylene- N-Ureidocarbonylpiperidine Urea, 1-piperidinocarbonyl-