
Keywords: HBTU, 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate; CSF-1R, colony-stimulating factor-1 receptor; DIPEA, N,N-diisopropylethylamine; FLT-3, Fms-like tyrosine kinase 3; FOV, field of view; HUVEC, human umbilical vein endothelial c