Organic derivatives of trioxidane, $\ce{HOOOH}$, e.g. $\ce{ROOOR'}$. When $\ce{R'} = \ce{H}$, the compound is a hydrotrioxide.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1373 [Terms] [Paper]