etrasimod molecule, molecular structure, sphingosine-1-phosphate receptor modulator, ball and stick 3d model, structural chemical

etrasimod velsipity ulcerative colitis sphingosine1phosphate receptor modulator molecule molecular structure chemical formula model c26h26f3no3 atom carbon chemistry disease health care medical medicine oxygen pharmaceutical research science treatment atomic hydrogen skeletal autoimmune compound drug pharmacology nitrogen sulfur organic immune cells system immunotherapy lymphopenia therapy multiple sclerosis myelin neurodegeneration neuroinflammation rems sphingosine spms sphingosine-1-phosphate ball stick structural colored atoms