N-butyl-4-nitro-2,1,3-benzoxadiazol-7-amine

4-butyl-1,4-thiazinane 1-oxide

N-butyl-4-ethoxybenzamide

2-(butylamino)-1,4-dihydroxyanthracene-9,10-dione

1-(丁基氨基)-4-羟基蒽醌