1-Octil-2-pirrolidona [Portuguese] 1-Octil-2-pirrolidona [Spanish] 1-Octyl-2-pyrrolidon [Danish] 1-Octyl-2-pyrrolidon [Dutch] 1-Octyl-2-pyrrolidon [German] 1-Octyl-2-pyrrolidone 1-Octyl-2-pyrrolidone [French] 1-Ottil-2-pirrolidone [Italian] EE4037008 Surfadone LP-100 surfactant