1-乙基-2,3,4,9-四氢-1H-beta-咔啉-3-羧酸

3-甲基-5-苯基吡啶

1-azido-1-prop-2-enoxypropane

ethyl but-1-ene-1-sulfonate

2-Ethyl-2,5-dihydro-1,3-thiazole