21457-24-9 6',7'-Dihydro-3',7'-dimethylspiro(cyclohexane-1,5'-(5H)thiazolo(3,2-a)pyrimidin)-7'-ol HBr Spiro(cyclohexane-1,5'-(5H)thiazolo(3,2-a)pyrimidin)-7'-ol, 6',7'-dihydro-3',7'-dimethyl-, monohydrobromide