3-Azetidinol, 1-[bis(4-chlorophenyl)methyl]-
3-Azetidinol, 1-[4-(1-methyl-1H-imidazol-2-yl)-1-phthalazinyl]-
3-Azetidinol,1-[[2-[(1Z)-2-[(triphenylmethyl)thio]ethenyl]-4-thiazolyl]carbonyl]-