(1,3,3-trimethyl-5-oxocyclohexyl)phosphonic acid

ethyl 2,2-dimethyl-3-oxopropanoate

2-氯甲酰基-2-甲基丙酸乙酯

二甲基丙二酸二乙酯

(E)-tetraethyl 4,4-dimethyl-2-phosphonopent-2-enediodate