二(2-甲氧基苯基)甲酮

(4-羟基苯基)三甲基铵碘化物二甲基氨基甲酸酯(酯)

N,N-dimethyl-3,4-dihydro-2H-pyrrol-5-amine

benzyl 2-(dimethylcarbamoylamino)-3-methylbutanoate

N,N-dimethylcarbamoyl bromide