{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Springer-Verlag Berlin and Heidelberg GmbH & Co. KG"], "number_of_pages": 824, "id": 16841731, "isbn_13": ["9783540551102"], "isbn_10": ["3540551107"], "publish_date": "May 31, 1992", "key": "/b/OL12776389M", "title": "Beilstein: Handbook of Organic Chemistry: Heterocyclic Compounds, Part 4 (Beilstein: Handbook of Organic Chemistry: 5th Supplementary Series)", "type": {"key": "/type/edition"}, "subjects": ["Organic chemistry"], "revision": 1}