Synonyms: Butanoic acid, 4-[[4-[[3-[3,5,7,9,11,13,15-heptakis(2-methylpropyl)pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxan-1-yl]propyl]amino]-1-[3-[[3-[3,5,7,9,11,13,15-heptakis(2-methylpropyl)pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxan-1-yl]propyl]amino]-3-oxopropyl]-1-methyl-4-oxobutyl]amino]-4-oxo-