3,3'-DISULFOPROPYL-5,6,5',6'-DIBENZ-9-ETHYLOXACARBOCYANINE TRIETHYLAMMONIUM SALT

3-(3-Sulfoproyl)-2-[2-[[3-(3-sulfopropyl)naphth[2,3-d]oxazole-2(3H)-ylidene]methyl]-1-butenyl]-naphth[2,3-d] oxazolium,inner salt,compd. with N,N-diethylethanamine