1,2-Benzisoselenazol-3(2H)-one, 2-phenyl- 2-Phenyl-1,2-benzisoselenazol-3(2H)-one 2-Phenyl-1,2-benzisoselenazolin-3-one 60940-34-3 CCRIS 3714 EBSELEN Ebselen [INN] Ebselene [French] Ebseleno [Spanish] Ebselenum [Latin] NSC 639762 PZ 51