1-Piperidineethanol, 4-hydroxy-alpha-((4-nitrophenoxy)methyl)-4-phenyl- 4-Hydroxy-alpha-((4-nitrophenoxy)methyl)-4-phenyl-1-piperidineethanol 5-21-02-00361 (Beilstein Handbook Reference) 64511-71-3 BRN 1511405