5-苯基-1,2-恶唑-4-羧酸乙酯

diethyl (2Z)-2-(ethoxymethylidene)-3-oxobutanedioate

2,2-diethoxyoxane

阿马诺嗪

2-ethoxy-2,5,7,8-tetramethyl-3,4-dihydrochromen-6-ol