1-Piperazineethanol, 4-(4-methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)- 4-(4-Methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)-1-piperazineethanol 5-23-02-00146 (Beilstein Handbook Reference) 64511-33-7 BRN 0585100