Nonadecane

2,9,11,18-Tetraazanonadecanedioic acid,9-[[[6-[[(octadecylthio)carbonyl]amino]hexyl]amino]carbonyl]-10-oxo-,diethyl ester

8,12-Dioxa-4,16-dithianonadecanedioic acid,10,10-bis[[3-[[3-(ethenyloxy)-3-oxopropyl]thio]-1-oxopropoxy]methyl]-7,13-dioxo-, diethenyl ester

1,4,7,10,13,16-Hexaoxacyclononadecane-18-carboxylic acid,18-amino-