1,2-perchloroxanthrenequinone

3,4,6-trichloro-5-hydroxycyclohexa-3,5-diene-1,2-dione

2,5-二氨基-3,6-二氯环己-2,5-二烯-1,4-二酮

3-chloro-2,5-dihydroxy-[1,4]benzoquinone