An alternative or German chemical name for arsenobenzene or related aromatic arsenic compounds.
From 'arseno-' (arsenic) + 'benzol' (German/alternative name for benzene), reflecting German chemical nomenclature traditions common in 19th and early 20th-century research.
'Benzol' is how German scientists spelled benzene, and you'll see 'arsenobenzol' in old German pharmaceutical and chemical texts—it's a reminder that chemistry has its own little linguistic quirks depending on where the research happened!
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