4-Amino-2,2,6,6-tetramethylpiperidin-1-oxy-ouabain 4-Amino-tempo-ouabain 93801-58-2 Benzenemethanamine, 4-methyl-N-(3,7,11,15,19,23,27,31,35-nonamethyl-2,6,10,14,18,22,26,30,34-hexatriacontanonaenyl)-, (+-)- Tempamine-ouabain