RIKEN tandem mass spectral database (ReSpect) for phytochemicals: A plant-specific MS/MS-based data resource and database

► RIKEN tandem mass spectral database (ReSpect) is MS/MS data resource and database for phytochemicals. ► The ReSpect database is primarily composed of MS/MS data obtained from the available literature. ► An MS/MS fragment search system was established for the annotation of untargeted MS/MS data. ► All web application and data resource in ReSpect is publicly available.