5,8-Dihydroxy-1,4-naphthoquinoneDihydroxynaphthoquinone萘茜5,8-Dihydroxy-1,4-naphthoquinone5,8-二羟基-1,4-萘醌Naphthazarinnaphthazarin5,8-dihydroxy-1,4-naphthosemiquinone5,8-dihydroxynaphthoquinonenaphthazarinenaphthazarone5,8-dihydroxy-1,4-naphthalenedione