6936-20-5
benzene-1,3-dicarboxylic acid
→
6942-29-6
N-(3,7-dichloro-9-oxo-9H-fluoren-2-yl)acetamide
1785-33-7
2-amino-3,7-dichlorofluoren-9-one
837-68-3
2,3,7-trichlorofluoren-9-one