105124-06-9 5-(N-Ethylanilino)-7H-thiazolo(3,2-a)pyrimidin-7-one 7H-Thiazolo(3,2-a)pyrimidin-7-one, 5-(N-ethylanilino)- 7H-Thiazolo(3,2-a)pyrimidin-7-one, 5-(ethylphenylamino)-