Drisapersen

Formula : C211-H275-N76-O119-P19-S19
CAS : 1251830-50-8 

Is a synthetic, modified RNA molecule; Intramuscular injection of antisense oligonucleotide PRO051 induced dystrophin synthesis in four patients with Duchenne's muscular dystrophy who had suitable mutations.

Drisapersen sodium

Formula : C211-H256-N76-Na19-O119-P19-S19
CAS : 1181666-20-5 

... is a synthetic, modified RNA molecule; Intramuscular injection of antisense oligonucleotide PRO051 induced dystrophin synthesis in four patients with Duchenne's muscular dystrophy who had suitable mutations

Drixoral

Formula : C16-H19-Br-N2.2C10-H15-N-O.C4-H4-O4.H2-O4-S
CAS : 76404-09-06 

Combination drug: isoephedrine; dexbrompheniramine.