3-ethoxy-5-hydroxy-1,4-naphthoquinone

2-ethoxy-3,5-dihydroxynaphthalene-1,4-dione

1,2,3,4-tetrahydroanthracene-9,10-dione

6-ethoxy-N2-phenylpyridine-2,5-diamine

N2-苯基-2,5-吡啶二胺