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![4,5,6,7-四氫噻唑并[5,4-c]吡啶-2-甲酸乙酯鹽酸鹽](/shaoyhuaxue/structure/SY006157.gif)
![7-Boc-5,6,7,8-四氫咪唑并[1,2-a]吡嗪-2-甲酸乙酯](/shaoyhuaxue/structure/SY006756.gif)
