2-(2,3-dihydro-1,4-benzodioxin-5-yl)acetic acid
(R)-N'-[3,5-bis(trifluoromethyl)phenyl]-2-(2,3-dihydro-1,4-benzodioxin-5-yl)-2-(4-methyl-1-piperazinyl)acetohydrazide
(S)-N'-[3,5-bis(trifluoromethyl)phenyl]-2-(2,3-dihydro-1,4-benzodioxin-5-yl)-2-(4-methyl-1-piperazinyl)acetohydrazide
(+/-)-N'-[3,5-bis(trifluoromethyl)phenyl]-2-(2,3-dihydro-1,4-benzodioxin-5-yl)-2-(4-methyl-1-piperazinyl)acetohydrazide