{"first_sentence": {"type": "/type/text", "value": "The structures and the IUPAC-approved numbering system of some naturally occurring compounds in the vitamin A group are depicted in Figure 1."}, "physical_format": "Hardcover", "weight": "2.2 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["CRC"], "number_of_pages": 632, "isbn_13": ["9780824703165"], "id": 11008493, "edition_name": "3nd edition", "isbn_10": ["0824703162"], "publish_date": "May 15, 2000", "key": "/b/OL8124548M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Modern Chromatographic Analysis of Vitamins, Revised and Expanded (Chromatographic Science)", "contributions": ["Andre P. De Leenheer (Editor)", "Willy Lambert (Editor)"], "subjects": ["Biochemistry", "Chromatography", "Food & beverage technology", "Life Sciences - Biochemistry", "Vitamins", "Science", "Science/Mathematics", "Chemistry - Analytic", "Chemistry - Industrial & Technical", "Chemistry - Organic", "Science / Chemistry / Technical & Industrial", "Analysis", "Chromatographic Analysis"], "physical_dimensions": "8.9 x 6.2 x 1.3 inches", "revision": 1}