"S de R L MI" stands for "Sociedad de Responsabilidad Limitada de Interés Mixto", which is a term used in the Spanish language to refer to a specific type of business entity known as a mixed-interest limited liability company. Synonyms for this term could be found by breaking down its components. "Sociedad de Responsabilidad Limitada" translates to "Limited Liability Company" in English and "Interés Mixto" can be understood as "Mixed Interest". Thus, alternative expressions for "S de R L MI" could include "Mixed Interest Limited Liability Company" or "Limited Liability Company with Mixed Interests". It's important to note that while these synonyms convey the same meaning, they may not be exact linguistic translations.