1-Piperazineethanol, 4-(2-methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)- 4-(2-Methoxyphenyl)-alpha-((4-nitrophenoxy)methyl)-1-piperazineethanol 5-23-02-00135 (Beilstein Handbook Reference) 64511-29-1 BRN 0631890