(7~{S})-2'-azanyl-3-[2-[(2~{S})-2-methylpiperazin-1-yl]pyrimidin-4-yl]spiro[5,6-dihydro-4~{H}-1,2-benzoxazole-7,4'-6,7-dihydro-5~{H}-1-benzothiophene]-3'-carbonitrile

P01116 — GTPase KRas