This MassBank record with Accession MSBNK-Keio_Univ-KO004007 contains the MS2 mass spectrum of Semicarbazide with the InChIkey DUIOPKIIICUYRZ-UHFFFAOYSA-N.
This MassBank record with Accession MSBNK-RIKEN-PR309121 contains the MS2 mass spectrum of Fumaric acid (not validated) with the InChIkey VZCYOOQTPOCHFL-UHFFFAOYSA-N.