Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1QCF 1QCF: CRYSTAL STRUCTURE OF HCK IN COMPLEX WITH A SRC FAMILY-SELECTIVE TYROSINE KINASE INHIBITOR Tyrosine-protein kinase HCK1-TER-BUTYL-3-P-TOLYL-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-YLAMINE