2-[(2-hexadecyl-2,5,7,8-tetramethyl-3,4-dihydrochromen-6-yl)oxy]ethyl N-[6-[4-hydroxy-2-[(4-methoxyphenyl)-[(4-methoxyphenyl)methoxy]-phenylmethyl]pyrrolidin-1-yl]-6-oxohexyl]carbamate