1-Piperazineethanol, 4-(3-methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)- 4-(3-Methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)-1-piperazineethanol 5-23-02-00145 (Beilstein Handbook Reference) 64511-31-5 BRN 0584952