5-[(1R)-1-isocyanatobutyl]-1,3-benzodioxole

(4S)-3,3-diethyl-4-[4-(4-methylpiperazine-1-carbonyl)phenoxy]azetidin-2-one

3,4-(亚甲基二氧)苯丁酮

N-甲基哌嗪

(3,3-diethyl-4-oxoazetidin-2-yl) propanoate