| Synonyms: | disodium4,5-dihydro-4,5-dioxo-1h-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylat;PQQ, Pyrrolo-quinoline-quinone disodium salt;sodiuM 9-carboxy-4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7-dicarboxylate;1H-Pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylicacid, 4,5-dihydro-4,5-dioxo-, sodium salt;PYRROLOQUINOLINE QUINONE DISODIUM SALTPYRROLOQUINOLINE QUINONE DISODIUM SALT;PYRROLOQUINOLINE QUINONE DISODIUM SALT;METHOXATIN DISODIUM SALT;3-f)quinoline-2,7,9-tricarboxylicacid,4,5-dihydro-4,5-dioxo-1h-pyrrolo(di |