英文别名4-carboxy TEMPO; 1-λ1-oxidanyl-2,2,6,6-tetramethylpiperidine-4-carboxylic acid; 4-Carboxy-TEMPO; 4-Carboxy-TEMPO,free radical; Tempo carboxylate; 4-COOH-TEMPO; 1-oxyl-2,2,6,6-tetramethylpiperidin-4-carboxylic acid radical; 4-Carboxy-2,2,6,6-tetramethylpiperidine-N-oxyl; Tempo carboxylic acid; 4-Carboxy-TEMPO Free Radical; carboxy-TEMPO; (4-Carboxy-2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl; (4-Carboxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl; 4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical; 4-Carboxy-2,2,6,6-tetramethylpiperidinyloxy,free radical; 4-CARBOXY-2,2,6,6-TETRAMETHYLPIPERIDINYLOXY; 4-carboxy-2,2,6,6-tetramethylpiperidinyloxy, free radical 
