2-(phenylselanyl)benzonitrile

thio [1-thio-β-D-galactopyranose]-(1,1)-S-1-thio-β-D-galactopyranoside

phenyl-2,3,4,6-tetra-O-acetyl-1-selenenylsulfide-β-d-galactopyranoside

1-methyl-4-phenylselanylbenzene