乙醛苯腙

N,N'-dimethylethanimidamide

(9ci)-2,5-二甲基-1H-咪唑-4-羧酸乙酯

2-(furan-2-yl)-5-methyl-1,3,4-oxadiazole

1-乙氧基-1,1-二甲氧基乙烷