risdiplam, rg7916, c22h23n7o molecule. it is an experimental drug for treatment spinal muscular atrophy, sma. molecular model

atom atomic atrophy ball c22h23n7o carbon chemical chemistry drawing flat formula gene hydrogen icon illustration modifier molecular molecule muscular nitrogen organic oxygen pyridazine render rendering rg7916 risdiplam risdiplan sma smn2 spinal structural structure