{"hq_id":"hq-c-org-001989","name":"ADONA (4,8-dioxa-3H-perfluorononanoic acid)","context":"human_adult","risk_level":"moderate","schema":"legacy","note":"Synthesis unavailable: compound lacks vectorizable regulatory classifications. Raw safety data returned.","data":{"risk_level":"moderate","summary":"Shorter half-life than legacy PFAS (~20 days in rats vs years for PFOA). Liver effects in animal studies at higher doses. Limited human epidemiological data. Marketed as safer alternative but persistence concerns remain."},"meta":{"synthesis_version":"n/a","timestamp":"2026-05-01T19:46:00.678Z"}}