"Adenine-thyamine-cytosine-guanine "
Its thymidine, not thyamine (that is a vitamin)
"Its thymidine, not thyamine (that is a vitamin)"
Actually, it's thymine. They're related thus says the Columbia Encyclopedia "Combined with the sugar deoxyribose in a glycosidic linkage, thymine forms a derivative called thymidine (a nucleoside)..."