Crystal Structure Of Kirsten Rat Sarcoma G12C Complexed With Gmppnp And Covalently Bound To 1-[(2R,3R)-3-{[(7P)-7-(8-Ethynyl-7-Fluoronaphthalen-1-Yl)-8-Fluoro-2-{ [(2R,4R,7As)-2-Fluorotetrahydro-1H-Pyrrolizin-7A(5H)-Yl]Methoxy}Pyrido[4,3-D] Pyrimidin-4-Yl](Methyl)Amino}-2-Methylpyrrolidin-1-Yl]-3-(Pyrazin-2-Yl)Propan-1-One