英文别名Thyroxine T4-Benzoic Acid; 3,3',5,5'-Tetraiodothyroformic acid; Tetraiodothyroformic Acid; Levothyroxine EP Impurity H; TFA 4; 3,5-Diiodo-4-(3',5'-diiodo-4'-hydroxyphenoxy)benzoic Acid; T4-BENZOIC ACID; Levothyroxine T4 benzoic acid; 3,3',5,5'-Tetraiodo Thyroformic Acid; THYROFORMIC ACID; 3,5-DIIODOTHYROFORMIC ACID; 3.5-Dijod-4-(3.5-dijod-4-oxy-phenoxy)-benzoesaeure; 2.6.3'.5'-Tetrajod-4'-oxy-diphenylaether-carbonsaeure-(4); 4-(4-Hydroxy-3,5-dijod-phenoxy)-3,5-dijod-benzoesaeure; Tetrajod-thyroameisensaeure 
