An organic compound with the closed formula C$9$H$12$O$2$ creates a green color with CrO$3.$ In the treatment with the Lucas test, the reaction is observed after heating in a water bath, subliming with AlCl$3$ and CHCl$3$ gives a yellow$-$orange color. Find the structure of this compound by interpreting the spectral analysis results given below. IR $($cm$-1)=3400,3030,2896,1567,1100,750.$ MS $($m$/$z$)=91,107,134,152($M$)$ H$-$NMR $(6)=7\mathrm{.}2($m$,5$H $),4\mathrm{.}5($s$\mathrm{.}2$H$),3\mathrm{.}7($t$,2$H$),3\mathrm{.}5($t$,2$H$),3\mathrm{.}1($s$,1$H$).$