tetrachloromethane
phthalic anhydride
aluminium trichloride
phenanthrene
3,6-Di-(o-carboxybenzyl)-9-(3-carboxy-2-naphthoyl)-phenanthren
3,6-Di-(o-carboxy-benzyl)-9-(3-carboxy-2-naphthyl-methyl)-phenanthren
3,6-Di-(o-carboxybenzyl)-9-(o-carboxybezoyl)-phenanthren
3,6,9-Tri-(o-carboxy-benzyl)-phenanthren
Decastarphen-(3.3.3)