süsinikrühma
Süsinikrühma is a term that appears to be a misspelling or a combination of unrelated words in Estonian. "Süsinik" translates to "carbon" in English, referring to the chemical element. "Krühma" is not a standard Estonian word. It might be a colloquialism, a dialectal term, or a typographical error.
If "süsinikrühma" is intended to refer to a specific substance or concept, further clarification is needed.
Without additional information or correction, "süsinikrühma" does not correspond to any recognized entity in Estonian language