The Complete List of Suppliers for Poly(oxy-1,2-ethanediyl),R-[2-[[6-[2-[1,3- dihydro-1,1-dimethyl-3-(3-sulfopropyl)-2Hbenz[ e]indol-2-ylidene]ethylidene]-2-[2-[1,1- dimethyl-3-(3-sulfopropyl)-1H-benz[e]- indolium-2-yl]ethenyl]-4-(ethoxycarbonyl)-1- cyclohexen-1-yl]thio]ethyl]-ö-[2-[[6-[2-[1,3- dihydro-1,1-dimethyl-3-(3-sulfopropyl)-2Hbenz[ e]indol-2-ylidene]ethylidene]-2-[2-(1,1- dimethyl-3-(3-sulfopropyl)-1H-benz[e]- indolium-2-yl)ethenyl]-4-(ethoxycarbonyl)-1- cyclohexen-1-yl]thio]ethoxy]-,bis(inner salt),disodium salt