3738731 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3738731 > 2 > ChemIDplus > 034300453 > 2,5-Diethyl-3,4-dihydro-2H-pyran-2-carboxaldehyde semicarbazone 2H-Pyran-2-carboxaldehyde, 2,5-diethyl-3,4-dihydro-, semicarbazone 34300-45-3 > 34300-45-3 > 034300453 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=034300453 $$$$