Translate the given Spanish text to English

Input: Consider Input: Compounds of formula (I): wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 12 , X, A and n are as defined in the description.

Output: Compuestos de fórmula (I): (ver Fórmula) en la que R1, R2, R3, R4, R5, R6, R7, R12, X, A y n son como se definen en la descripción.


Input: Consider Input: A wafer for placement in a pipe.

Output: Una rodaja para colocarse en un tubo.


Input: Consider Input: The polymeric compositions contain a polyolefin and a voltage stabilizing agent, which is selected from one or more of a group of three specific triazine compounds.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: Las composiciones poliméricas contienen una poliolefina y un agente estabilizador de voltaje, que se selecciona de uno o más de un grupo de tres compuestos de triazina específicos.


