2-O-hexadecanoyl-3-O-(2S,4S,6S-trimethyl-3S-hydroxy-tetracosanoyl)-6-O-(2,4S,6S-trimethyl-2E-docosenoyl)-2'-O-(2,4S,6S-trimethyl-2E-pentacosenoyl)-4'-O-(2,4S,6S-trimethyl-2E-tetracosenoyl)-alpha,alpha-trehalose