872607-08-4 1,5-Dioxaspiro[5.5]undecane-2,4-dione,3-[7-(2,4-dioxo-1,5-dioxaspiro[5.5]undec-3-yl)-2,4,6-heptatrienylidene]-,compd. with N,N-diethylethanamine (1:1)
93918-26-4 HYDROGEN (4-(4-(4-ETHOXY(PHENYLAMINO))-4'-(ETHYL(3(OR 4)-SULFONATOBENZYL)AMINO)BENZHYDRYLIDENE)CYCLOHEXA-2,5-DIEN-1-YLIDENE)(ETHYL)(3(OR 4)-SULFONATOBENZYL)AMMONIUM SODIUM SALT