3-(1-Methyl-2-pyrrolidinyl-2-p

Polyphyllin VI（55916-51-3）

5-(1-Methyl-pyrrolidin-2-yl)-p

Polyphyllin VII（68124-04-9）

N,N'-divinyl-2-imidazolidinone

Polyphyllin VII(76296-75-8)

2-Chloro-5-fluoronicotinonitri

Polyphyllin V(19057-67-1)

2-chloro-5-fluoronicotinaMide(

2,6-Dichloro-5-fluoronicotinaM