risdiplam drug molecule, 3d . a medication used to treat spinal muscular atrophy

risdiplam spinal muscular atrophy drug medication sma motor neuron movement nervous disease genetic congenital 3d illustration neuronal myelopathy progressive degeneration degenerative neurodegenerative muscle weakness cord atomic atoms chemical chemistry composition gene medicine model modifier molecular molecule pharma pharmaceutical pharmacology pharmacy risdiplan smn2 splicing survival therapy treatment evrysdi rna treat