170274-79-0 Deoxyribonucleic acid, d(P-thio)(T-C-T-T-C-C-T-C-T-C-T-C-T-A-C-C-C-A-C-G-C-T-C-T-C), tetracosasodium salt GEM 91 Trecovirsen sodium Trecovirsen sodium [USAN]