6'-bromo-2',2'-dimethyl-2-propylsulfanylspiro[3H-imidazole-5,4'-chroman]-4-one
6'-bromo-2',2'-dimethyl-2-propylsulfanyl-spiro[3H-imidazole-5,4'-chroman]-4-one
6'-bromo-2',2'-dimethyl-2-(propylthio)-4-spiro[3H-imidazole-5,4'-chroman]one
6'-bromo-2',2'-dimethyl-2-(propylthio)spiro[3H-imidazole-5,4'-chroman]-4-one