A fluorescent benzo[g]isoquinoline-based HIF prolyl hydroxylase inhibitor for cellular imaging di Mayer, M, Fey, K, Heinze, E, Rainer Wick, C, Abboud, M, Yeh, T, Tumber, A, Orth, N, Schley, G, Buchholz, B, Clark, T, Schofield, C, Willam, C, Burzlaff, N