1,3,8-Triazasprio(4.5)decan-4-one, 1-phenyl-8-(5-phenylpentyl)- 1-Phenyl-8-(5-phenylpentyl)-1,3,8-triazasprio(4.5)decan-4-one 4-Oxo-1-phenyl-8-(5-phenylpentyl)-1,3,8-triazaspiro(4.5)decane 5-26-04-00095 (Beilstein Handbook Reference) 7105-16-0 BRN 0630121