1795366 WP6 water-soluble pillar(6)arene 12 1795368 WP6 Work Package 6 3 1795369 WP6 water-soluble anionic pillar(6)arene 1 1795365 WP6 water-soluble carboxylato pillar (6) arene 1 1795367 WP6 water-soluble, anionic pillar(6)arene derivative 1