thyroid microsomal antibody甲状腺微粒体抗体 transmetatarsal amputation经跖骨截肢术 trimethylamine三甲胺 trimethoxyphenyl-amino-propane三甲氧苯基氨基丙烷 tetramethylammonium四甲铵 trimethoxyamphetamine三甲氧基苯异丙胺