E-4,4-Dimethyl-2-butenoic acid,ethyl ester

二甲羟胺盐酸盐

4-methyl-2-pentenoic acid chloride

N-甲氧基-N-甲基-2-(三苯基磷)乙酰胺N-甲氧基-N-甲基-2-(三苯基磷)乙酰胺

异丁醛