哌啶-4-甲酰胺

2-[2-Ethoxy-5-(4-carbamoylpiperidinosulphonyl)phenyl]-quinazolin-4(3H)-one

N-甲基哌嗪

2-[2-Ethoxy-5-(4-methyl-1-piperazinylsulphonyl)phenyl]-quinazolin-4(3H) -one

1-(2-羟乙基)哌嗪