2,5-二甲氧基-1,4-苯醌

1,4-Butanediol,2,3-dinitro

8-methoxy-2-methylquinoline-5,6-dione

2,4,5-trimethoxybenzenesulfonyl chloride

5,8-二氢-4,6-二羟基-5,8-二氧代-2-喹啉羧酸