rac-(3aR,4S,10R,10aS)-7-phenyl-2,3-dihydro-4H,6H,10H-4,10-etheno-3a,10a-methanothieno[2,3-d][1,2,4]triazolo[1,2-a]pyridazine-6,8(7H)-dione

1-(2-hydroxyethyl)-6-iodo-1,3,5-cycloheptatriene

1-benzylthio-6-(2-hydroxyethyl)-1,3,5-cycloheptatriene