Synonyms
Acid Blue 74 aluminum lake;C.I. Pigment Blue 63;C.I. 73015 Aluminum lake;1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, aluminum complex;Indigotine aluminum lake;C.I. Food Blue 1-aluminum lake