Assembly and Manipulation of a Prototypical N-Heterocyclic Carbene with a Metalloporphyrin Pedestal on a Solid Surface - Knecht, P.; Zhang, B.; Reichert; Duncan, D.A.; Schwarz, M.; Haag, F.; Ryan, P.T.P.; Lee, T.-L.; Deimel, P.S.; Feulner, P.; Allegretti, F.; Auwärter, W.; et al. (Journal of the American Chemical Society, 2021)