1,2-Bis(4-morpholinomethyl-3,5-dioxopiperazinyl)-ethane 1,2-Bis(4-morpholinomethyl-3,5-dixoxpiperazinyl)ethane 2,6-Piperazinedione, 4,4'-ethylenebis(1-(morpholinomethyl)- 4,4'-(1,2-Ethanediyl)bis(1-(4-morpholinylmethyl)-2,6-piperazinedione) 4,4'-Ethylenebis(1-(morpholinomethyl)-2,6-piperazinedione) 74550-97-3 AT-1727 Bimolane CCRIS 7574 NSC 351358