In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

El sumatriptán es un triptano antimigrañoso de primera generación, que se caracteriza estructuralmente por tener un heterociclo
Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle

Todo lo siguiente forma parte de los nucleósidos EXCEPTO
All of the following is part of the nucleosides EXCEPT

Señale cuál de las siguientes afirmaciones sobre el músculo liso vascular es FALSA

Indicate which of the following statements about vascular smooth muscle is FALSE