英文别名RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4,4-(5-SPIROHYDANTOIN); 1,3,8-Triaza-7,7,9,9-tetraMethyl-2,4-dioxospiro[4.5]decane-8-oxyl; 7,7,9,9-TetraMethyl-2,4-dioxo-1,3,8-triazaspiro[4.5]dec-8-yloxy; 1,3,8-Triazaspiro[4.5]dec-8-yloxy,7,7,9,9-tetramethyl-2,4-dioxo-; 8-hydroxy-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione 
