552-30-7
偏苯三酸酐
→
19591-46-9
5,8-diacetyloxy-9,10-dioxoanthracene-2-carboxylic acid
123-31-9
1,4-苯二酚
19591-45-8
5,8-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid