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Table 6 Comparison of original structures and reference IUPAC names with OPSIN retranslated structures derived from AI-generated IUPAC Names (AINs), Illustrating Model Robustness and Alternative Naming. (1 billion model)

From: STOUT V2.0: SMILES to IUPAC name conversion using transformer models

Original compound (reference | original structure)

STOUT-generated compound (AIN | OPSIN-translated structure)

Tanimoto similarity

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bis[bis(2-methylpropyl)amino]-bis[ethyl(methyl)amino]azanium

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tris[bis(2-methylpropyl)amino]-[ethyl(methyl)amino]azanium

1.0

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5-[(11S,12S)-12-(aminomethyl)-6-fluoro-3-[[(2S,4R)-4-fluoro-1-methylpyrrolidin-2-yl]methoxy]-11-methyl-13-pent-3-ynyl-10-oxa-2,4,8,13-tetrazatricyclo[7.4.1.05,14]tetradeca-1,3,5(14),6,8-pentaen-7-yl]-2-fluoro-3-methyl-4-(trifluoromethyl)aniline

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5-[(11S,12S)-12-(aminomethyl)-8-fluoro-3-[[(2S,4R)-4-fluoro-1-methylpyrrolidin-2-yl]methoxy]-11-methyl-13-pent-3-ynyl-10-oxa-2,4,6,13-tetrazatricyclo[7.4.1.05,14]tetradeca-1,3,5(14),6,8-pentaen-7-yl]-2-fluoro-3-methyl-4-(trifluoromethyl)aniline

0.96

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[(1R,5S)-3-pentadecan-8-yl-3-azabicyclo[3.2.1]octan-8-yl]cyanamide

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[(1S,5R)-3-pentadecan-8-yl-3-azabicyclo[3.2.1]octan-8-yl]cyanamide

1.0

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(1R,3S,5S,6R)-5-[(hex-5-enoylamino)methyl]-6-methyl-N-[3-methyl-6-(trifluoromethyl)pyridin-2-yl]-2-azabicyclo[3.1.0]hexane-3-carboxamide

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(1R,3S,5R,6R)-5-[(hex-5-enoylamino)methyl]-6-methyl-N-[3-methyl-6-(trifluoromethyl)pyridin-2-yl]-2-azabicyclo[3.1.0]hexane-3-carboxamide

1.0

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6-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5H-pyrido[2,3-c]pyridazin-8-yl]-3-[1-[[5-[2-[carboxymethyl(methyl)amino]ethoxy]-3,7-dimethyl-1-tetracyclo[5.3.1.03,9.05,9]undecanyl]methyl]-5-methylpyrazol-4-yl]pyridine-2-carboxylic acid

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6-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5H-pyrido[2,3-c]pyridazin-8-yl]-3-[1-[[3-[2-[carboxymethyl(methyl)amino]ethoxy]-5,7-dimethyl-1-tetracyclo[5.3.1.03,9.05,9]undecanyl]methyl]-5-methylpyrazol-4-yl]pyridine-2-carboxylic acid

0.99