IUPAC: 4-amino-1-[(3R)-1-(but-2-ynoyl)pyrrolidin-3-yl]-3-[4-(2,6-difluorophenoxy)phenyl]-1H,6H,7H-pyrrolo[2,3-d]pyridazin-7-one

SMILES: CC#CC(=O)N1CC[C@H](C1)n1cc(-c2ccc(Oc3c(F)cccc3F)cc2)c2c(N)n[nH]c(=O)c12