instruction:
Translate the given Spanish text to English
question:
The invention relates to 21-keto triterpene compounds of formula (I): wherein R 1 , X, and Y are as defined herein, and pharmaceutically acceptable salts and solvates thereof.
answer:
La invención se refiere a compuestos 21-cetotriterpeno de fórmula (I): en donde R1, X e Y son como se definen en la presente, y sales y solvatos de los mismos farmacéuticamente aceptables.


question:
Processes for upgrading resid hydrocarbon feeds are disclosed.
answer:
Se describen procesos para enriquecer alimentaciones de hidrocarburos de residuo.


question:
A moveable wall panel system is disclosed.
answer:

Se describe un sistema de panel de pared movible.