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Listing 1 · printed input

Formula + IR + ¹H + ¹³C

C₁₂H₁₁BrN₄ / CID 57398578
Reference constitution for Listing 1, bromophenyl-substituted heterocycle
Reference, not a site-generated proposal
ILJNJJNKEOAREX
-UHFFFAOYSA-N
IRcm⁻¹ · printed band positions9 bands
¹H NMRδ / ppm5 entries
¹³C NMRδ / ppm9 shifts
Sticks encode positions only. No intensities or line shapes reconstructed.

Frozen roster n=500 at k≤3: 227 exact, 22 in-pool, 251 never proposed.

192 deposited cases with a parsed gold and top-1 (joinable slice; not the full roster of 500).

Loading deposited cases…Never-proposed cases in the joinable slice
Gold constitution Deposited top-1Tint: outside one maximum common substructure

Failure anatomy

Never proposed

The fluorine is on the other aryl group.

The 4-fluorophenyl/phenyl swap preserves the scaffold but leaves the gold graph outside the pool.

0.90Morgan-r2 Tanimoto
reported paper value
Gold constitution 4-fluorophenyl on N
main-R06 true constitution with fluorophenyl on nitrogen
Deposited top-1 4-fluorophenyl on C
main-R06 predicted constitution with fluorophenyl on carbon

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Tint marks atoms outside one maximum-common-substructure alignment, not a unique error attribution. Molecules rendered from deposited SMILES with RDKit. No additional peak lists inferred.

Data provenance, scope & offline use +

Gallery: cases.jsonl and PACK.md, SI molecule pack dated 2026-09-24. 192 deposited cases with a parsed gold and top-1 (joinable slice; not the full roster of 500). main + v3 + v2_ctrl; two main parse failures omitted. Outcomes, SMILES and Morgan-r2 (2048-bit) similarities are deposited values.

Rank: the source field self_rank is the zero-based index of the displayed top-1 candidate (0). true_self_rank is the gold candidate's zero-based index; displayed gold pool rank adds 1. Null means the gold is absent. No rank is inferred from similarity.

Printed data: Listing 1 comes from manuscript/tex/listing1_body.tex. The v3-R25 ¹³C list and Chamfer comparisons are paper-stated case values. No peak lists are provided for the other gallery records; this is a structure-pair atlas, not a new spectrum dataset.

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DEPOSITED CONSTITUTION PAIR

Gold constitution
Gold SMILES
Deposited top-1
Top-1 SMILES