O,O-methyl ethyl S-(1,2-dicarboethoxy)ethyl phosporodithioate

2-二乙氧基硫代膦酰硫基丁二酸二乙基酯

乙酰琥珀酸二乙酯

1,2-吲哚嗪二羧酸二乙酯

diethyl 2-n-butylsuccinate