68842-66-0

S2087 2,4-Bis[4-(diethylamino)- 2,4-Bis[4-(diethylaMino)-2-hydroxyphenyl]squaraine 2,4-Bis[4-(diethylamino)-2-hydroxyphenyl]squaraine &gt 1,3-BIS(2-HYDROXY-4-DIETHYLAMINO-PHENYL)-2-OXO-CYCLOBUTENYLIUM-4-OLAT 2,4 bis(2-hydroxy 4-diethylaminophenyl)-1,3-cyclobutadienediylium 1,3-diolate 1-(4-Diethylamino-2-hydroxyphenyl)-3-(4-diethylimmonium-2-hydroxycyclohexa-2,5-dien-1-ylidene)-2-oxo-cyclobuten-4-olate