2-Di-n-butylamino-p-benzochinon

2,5-bis(dibutylamino)-p-benzoquinone

1,3,5,7-tetraphenylpyrazolo[4,3-f]indazole-4,8(1H,7H)-dione

2-[4-((5Z,10Z,14Z,19Z)-10,15,20-Tri-p-tolyl-porphyrin-5-yl)-phenoxy]-[1,4]benzoquinone

2,5-二乙氧基-1,4-苯醌