"indigo white" . "Indigo dyed" . . "[2(2\u2032)E]-[2,2\u2032-Biindolylidene]-3,3\u2032(1H,1\u2032H)-dione" . . "Indigo" . . "Indigo cultivation" . . . "True Indigo" . . . . . "dye" . "indigo dye" . . "indigotine" . . . "indigo dying" . . "synthetic indigo" . "organic dyes" . "ancient dye of the same name" . "True Indigo-dyed" . . . . "history of indigo dye" . . . "Aizome" . . "indago" . "use" . "indigo merchant" . . "'''ind'''igo" . . "indigo blue" . . "indigo dyes" . "Indigo Dyeing" . "indigotin" . "synthesize" . . . . "Vat Blue 1" . . "indigo carmine" . "Ciba blue" . "Indigoid" . . . "Indigo dye" . "indigo" . "Indigo lake" . . . . "indigo's economic significance as a plant and dye" . . "indigotin-bearing plant" . . "Indigotine" . . . . "Indigo_dye#Chemical_synthesis" . . "Indigo dye" . . . "2,2'-Bis(2,3-dihydro-3- oxoindolyliden), Indigotin" . "indigo-dyed" . "Indigo carmine" . . "indigo pigment" . .