55503-32-7
4-羟基噻吩[2,3-b]吡啶-5-羧酸
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65075-96-9
噻吩并[2,3-b]吡啶-4-酮(7H)
55503-31-6
4-羟基噻吩并[3,2-B]吡啶-5-甲酸乙酯
59713-52-9
diethyl 2-[(thiophen-2-ylamino)methylidene]propanedioate