1-[1-acetyl-5-[2-(1-acetylindol-5-yl)ethyl]indol-3-yl]ethanone

2,5-diacetyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4-dione

(5,7-diacetyloxy-2-oxochromen-4-yl)methyl acetate

N-(4-acetamido-2,5-dinitrothiophen-3-yl)acetamide

N-(4,5-diacetamidothiophen-3-yl)acetamide