質ICH3OCH3HC16H26O5298.37 (3aS,4R,6aS,7R,8R,10R,10aR)-8-甲氧基-4,7-二甲基八氫-2H-呋喃并[3,2-i[幻苯并吡喃-10-醇醋酸酯雜質ⅡCHO C14H2O3238.32 [4甲基2-氧代3-(3-氧代丁基)]環己基丙醛