75-03-6

碘乙烷

55503-32-7

4-羟基噻吩[2,3-b]吡啶-5-羧酸

55503-33-8

7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

55503-31-6

4-羟基噻吩并[3,2-B]吡啶-5-甲酸乙酯

55503-33-8

7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

100327-04-6

N-ethyl N-(thienyl-2)aminomethylenemalonate de diethyle

55503-33-8

7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

59713-60-9

7-ethyl-4-oxo-4,7-dihydro-thieno[2,3-b]pyridine-5-carboxylic acid ethyl ester

55503-33-8

7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid

59713-52-9

diethyl 2-[(thiophen-2-ylamino)methylidene]propanedioate

55503-33-8

7-ethyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid