Structure-guided optimisation of N-hydroxythiazole-derived inhibitors of factor inhibiting hypoxia-inducible factor-α by Corner, TP, Teo, RZR, Wu, Y, Salah, E, Nakashima, Y, Fiorini, G, Tumber, A, Brasnett, A, Holt-Martyn, JP, Figg, WD, Zhang, X, Brewitz, L, Schofield, CJ