3843973 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3843973 > 2 > ChemIDplus > XI0361000 > NIOSH/XI0361000 > 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(2-amino-2-phenylacetamido)-3-methyl-8-oxo-, D-, mixed with sodium nitrite (1:4) Cefalexin mixed with sodium nitrite (1:4) Sodium nitrite mixed with cefalexin (4:1) XI0361000 > XI0361000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XI0361000 $$$$