 000.0ppm $\ce{CH0}$ or $\ce{CH}$ (I think this is $\ce{CH}$) 000.0ppm $\ce{CH0}$ or $\ce{CH}$ (I think this is $\ce{CH}$) 000.0ppm $\ce{CH0}$ or $\ce{CH}$ (I think this is $\ce{CH}$) 000.0ppm $\ce{CH0}$ or $\ce{CH}$ (I think this is $\ce{CH}$) 000.0ppm $\ce{CH0}$ or $\ce{CH}$ (I think this is $\ce{CH}$) 000.0ppm quaternary carbon 