The molecule is a tergitol polymer consisting of nonylbenzene with a nine-membered poly(ethylene glycol) moiety attached at position 4. It has a role as a nonionic surfactant and a contraceptive drug.
2-[2-[2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol