碳酸钾

甲基(1,8-二乙基-4-氧代-1,3,4,9-四氢吡喃并[3,4-b]吲哚-1-基)乙酸酯

7-乙基吲哚

ethyl 2-(7-ethyl-1H-indol-3-yl)-2-oxoacetate

7-ethyl-α-(hydroxyimino)-1H-indole-3-acetic acid ethyl ester