    title: 'Chemistry',
            latex: '\\ce{ CrO4^2-}',
          },
          {
            title: 'Chemistry',
            latex: '\\ce{^{227}_{90}Th+ }',
          },
          {
            title: 'Chemistry',
            latex: '\\ce{ {}^{227}_{90}Th+ }',
          },
          {
            title: 'Chemistry',
            latex: '\\ce{ KCr(SO4)2.12H2O }',
          },
          {
            title: 'Chemistry',
            latex: '\\ce{ C6H5-CHO}',
          },
          {
            title: 'Che