kˈɔːɹdaɪspˌɪn, ɔːɹ θɹˈiːdiːˈɑːksɪˌædənˌɑːsaɪn, ɪz ɐ dᵻɹˈɪvətˌɪv ʌvðə nˈuːklɪˌɑːsaɪd ˈædənˌɑːsaɪn, dˈɪfɚɹɪŋ fɹʌmðə lˈæɾɚ baɪ ðə ɹᵻplˈeɪsmənt ʌvðə haɪdɹˈɑːksi ɡɹˈuːp ɪnðə θɹˈiː pəzˈɪʃən wɪð ɐ hˈaɪdɹədʒən.
Cordycepin, or 3'-deoxyadenosine, is a derivative of the nucleoside adenosine, differing from the latter by the replacement of the hydroxy group in the 3' position with a hydrogen.