The title heteroaryl chalcone. C21H14OS. is a second orthorhombic polymorph which crystallizes in the space group P212121. The structure was previously reported [Fun et al. https://www.bekindtopets.com/save-big-T-S-Brass-B-0665-CR-BSTR-Wall-Mount-Rough-Chrome-Service-Sink-Faucet-w-Stops-and-Cerama-Cartridges-super-buy/