TY - RPRT TI - [2-Nitro-3-hydroxychromone. 38. 4-pyrones]. AU - F Eiden AU - D Dölcher PY - 1972 DO - 10.1002/ardp.19723050911 UR - https://pubmed.ncbi.nlm.nih.gov/5086926/ ID - 5086926 ER -