Benzaldehyde, 4,?4',?4''-?(1,?3,?5-?benzenetriyltri-?2,?1-?ethynediyl)?tris[2-?hydroxy-

Benzaldehyde, 4,?4',?4''-?(1,?3,?5-?benzenetriyltri-?2,?1-?ethynediyl)?tris[2-?hydroxy- · CAS 2415867-40-0