2-(2-氧代丁基)异吲哚啉-1,3-二酮

N,N',N''-(1-ethyl-ethane-1,1,2-triyl)-tris-carbamic acid triethyl ester

1,2,2-tris-(N'-phenyl-ureido)-butane

amino(1-hydroxycyclopropyl)acetic acid, DL-cleonine

1,2,2-triisocyanato-butane