{"id":"W2932667543","doi":"10.1177/1934578x0700200606","title":"Excelsinidine, A Quaternary Alkaloid from <i>Aspidosperma excelsum</i>","year":2007,"lang":"en","type":"article","venue":"Natural Product Communications","topic":"Alkaloids: synthesis and pharmacology","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Undecane; Moiety; Alkaloid; Indole alkaloid; Stereochemistry; Chemistry; Aspidosperma; Indole test; Apocynaceae; DEPT; Quaternary; Botany; Biology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","research_integrity","insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.00197245,0.0004388396,0.0004765641,0.0002069913,0.0009313514,0.00004557185,0.002328462,0.0003936461,0.002112624],"category_scores_gemma":[0.0003216612,0.0004147672,0.0002256252,0.0005531805,0.0007315979,0.0003364054,0.0007428302,0.002536742,0.001295087],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001661713,"about_ca_system_score_gemma":0.0001177963,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003617324,"about_ca_topic_score_gemma":0.0002939109,"domain_scores_codex":[0.996416,0.0009345858,0.0008591443,0.0006656421,0.0002793867,0.0008452223],"domain_scores_gemma":[0.9951005,0.001927674,0.0003370328,0.001984406,0.0003042059,0.0003462115],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000731731,0.001340502,0.01812811,0.00002923589,0.0005945438,0.00004856016,0.001639845,0.00002553785,0.765448,0.003077759,0.07347631,0.1354598],"study_design_scores_gemma":[0.001301805,0.00006542611,0.01767325,0.0000185381,0.0002520634,0.00005180656,0.0001319036,0.00112417,0.1305601,0.001396916,0.8468183,0.000605737],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8773256,0.04628456,0.0001865124,0.02594439,0.005993738,0.001307013,0.0002291115,0.0006634039,0.04206566],"genre_scores_gemma":[0.9825497,0.002659252,0.003021025,0.006272155,0.001290063,0.00007613709,0.0004252685,0.00006441045,0.003641987],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.773342,"threshold_uncertainty_score":0.9998304,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1338423098136632,"score_gpt":0.4497813577638123,"score_spread":0.3159390479501491,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}