Fig. 1
From: Molecular Russian dolls

Design and structures. a Examples of CBPQT4+ and CBPQT2(+•) as hosts. b Proposed superstructures of the tetraradical tetracationic box-in-box complex and Russian doll assemblies
From: Molecular Russian dolls
Design and structures. a Examples of CBPQT4+ and CBPQT2(+•) as hosts. b Proposed superstructures of the tetraradical tetracationic box-in-box complex and Russian doll assemblies