Oral Medications for Multiple Sclerosis Market by Molecule (Dimethyl Fumarate, Diroximel Fumarate, Fingolimod), Drug Class (Dihydroorotate Dehydrogenase Inhibitors, Fumarates, Sphingosine 1 Phosphate Receptor Modulators), Indication, Line Of Therapy, Dosage Form, Distribution Channel - Global Forecast 2026-2032