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3xx fields. Use the 3xx fields for information about physical characteristics and arrangement, publication frequency, graphic representation, and security information. Sep 22, "Full" documentation refers to the MARC 21 Format for Bibliographic Data that contains detailed descriptions of every data element, along with examples, input conventions and history sections. "Concise" documentation refers to the MARC 21 Format for Bibliographic Data that contains abridged. Jul 8, 3XX. REM.
Chemical Component Summary. Name, (2E)ethylidenehydroxy methylfuran-3(2H)-one. Identifiers, (2E)ethylidenemethyloxidanyl-furan-3 -one. Formula, C7 H8 O3. Molecular Weight, Type, NON-POLYMER. Isomeric SMILES, C\C=C1\OC(C)=C(O)C1=O.