Synonyms: Ro 31-2655;AC1O5PYJ;Ro-31-2665;N,N'-Dimethyl-N'-(2,2,6,6-tetramethyl-1-oxyl-4-piperidinyl)-1,2-diaminoethane;(E)-but-2-enedioic acid; N',N'-dimethyl-N-(2,2,6,6-tetramethyl-1-oxidopiperidin-4-yl)ethane-1,2-diamine;1-Piperidinyloxy, 4-((2-(dimethylamino)ethyl)amino)-2,2,6,6-tetramethyl-, (Z)-2-butenedioate (2:1);95211-90-8