2-[2-methyl-1-(3-oxobut-1-enyl)indol-3-yl]acetic acid

2-[2-methyl-1-(3-oxobut-1-enyl)indol-3-yl]acetamide

methyl 2-[2-methyl-1-(3-oxobut-1-enyl)indol-3-yl]acetate

5-methyl-4-nitroso-1H-pyrazole

6-甲基-2-氧代-1-[3-(三氟甲基)苯基]-1,2-二氢吡啶-3-羧酸