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[82], 'extraction': [83], 'vacuumed': [85], 'evaporation.': [86], 'precipitated': [88], 'purified': [91], 'adsorption': [94], 'crystallization': [96], 'purity': [99], '96.4%.': [101], 'addition,': [103], 'identified': [107], 'via': [108], 'analyses': [110], 'retention': [112], 'time,': [113], 'infrared': [114], 'spectrum': [115], 'nuclear': [117], 'magnetic': [118], 'resonance.': [119], 'This': [120], 'study': [121], 'indicates': [122], 'eco-friendly': [126], 'recovering': [129], 'providing': [131], 'new': [133], 'candidate': [134], 'preparation.': [137]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2620631659', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 3}], 'updated_date': '2024-09-19T12:10:49.456122', 'created_date': '2017-06-09'}