selumetinib cancer drug molecule mek1 and mek2 inhibitor. skeletal formula.

selumetinib cancer drug molecule mek1 mek2 inhibitor skeletal formula selumetinibe tumor oncology braf v600e mapk erk kinase mek thyroid melanoma kras mitogenactivated protein enzyme map2k1 map2k2 atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon