21462-56-6

thyroxine glucuronide L-Thyroxine glucuronide Levothyroxine Impurity 57 Thyroxine 4’-O-β-D-Glucuronide L-Thyroxine 4-O--D-glucuronide Thyroxine 4'-O-β-D-Glucuronide Levothyroxine Phenolic Glucuronide O-[4-(β-D-Glucurono pyranosyloxy)-3,5-diiodophenyl]-3,5-diiodo-L-tyrosine (S)-4-[4-(2-AMino-2-carboxyethyl)-2,6-diiodophenoxy]-2,6-diiodophenyl β-D-Glucopyranosiduronic Acid 4-[4-[(2S)-2-AMino-2-carboxyethyl]-2,6-diiodophenoxy]-2,6-diiodophenyl β-D-Glucopyranosiduronic Acid β-D-Glucopyranosiduronic acid, 4-[4-[(2S)-2-amino-2-carboxyethyl]-2,6-diiodophenoxy]-2,6-diiodophenyl (2S,3S,4S,5R)-6-(4-{4-[(2S)-2-Amino-2-carboxyethyl]-2,6-diiodophe noxy}-2,6-diiodophenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-ca rboxylic acid (non-preferred name)