184530-13-0 2,9,11,18-Tetraazanonadecanedioic acid, 10-oxo-,bis(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-nonadecafluoroundecyl)ester 90965-52-9 4,8,12,16-Tetraoxanonadecane-1,2,6,10,14,18-hexol,19-[2,4-bis(1,1-dimethylpropyl)phenoxy]- 64205-96-5 4,7,10,13,16-Pentaazanonadecanedioic acid,4,7,10,13,16-pentakis(3-ethoxy-3-oxopropyl)-, diethyl ester