skos:altLabel
| - Pyrroloquinoline Quinone (en)
- 2,7,9-Tricarboxypyrroloquinoline Quinone (en)
- Coenzyme PQQ (en)
- 4,5-Dihydro-4,5-Dioxo-1-H-Pyrrolo(2,3-f)Quinoline-2,7,9-Tricarboxylic Acid (en)
- Methoxatin (en)
- PQQ Coenzyme (en)
- Pyrrolo-Quinoline Quinone (en)
- 2,7,9-Tricarboxy-1H-Pyrrolo-(2,3-f)Quinoline-4,5-Dione (en)
- 1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo- (en)
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