英文同义词: | (3,6,9,12,15,18,21-heptoxanonatriacontyl) hydrogen but-2-ene-1,4-dioate;2-Butenedioic acid 4-hydrogen 1-(3,6,9,12,15,18,21-heptaoxanonatriacontan-1-yl) ester;(E)-4-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]-4-oxobut-2-enoic acid |