2-Ethyl-2-adamantanol , its cas register number is 14648-57-8. It also can be called 2-Ethyl-2-hydroxytricyclo[3,3,1,1(3,7)])decane ; 2-Adamantanol,2-ethyl- (8CI) ; Tricyclo[3.3.1.13,7]decan-2-ol,2-ethyl-.