Fig. 3
From: Self-assembly of polycyclic supramolecules using linear metal-organic ligands

Mass spectrometry for supramolecules C2–C5. Electrospray ionization–mass spectrometry (ESI-MS) for C2 (a); C3 (c); C4 (e) and C5 (g). Traveling wave Ionmobility–mass spectrometry (TWIM-MS) for C2 (b); C3 (d); C4 (f) and C5 (h)