colname_old	colname_new	description
cid	Compound_CID	PubChem Compound Identifier
cmpdname	Name	Compound Name
cmpdsynonym	Synonyms	Compound Synonyms (pipe-separated)
mw	Molecular_Weight	Molecular Weight
mf	Molecular_Formula	Molecular Formula
polararea	Polar_Area	Polar Area
complexity	Complexity	Complexity
xlogp	XLogP	XlogP - predicted octanol water partitioning coefficient
heavycnt	Heavy_Atom_Count	Heavy Atom Count
hbonddonor	H-Bond_Donor_Count	Hydrogen Bond Donor Count
hbondacc	H-Bond_Acceptor_Count	Hydrogen Bond Acceptor Count
rotbonds	Rotatable_Bond_Count	Rotatable Bond Count
inchi	InChI	InChI - International Chemical Identifier
smiles	SMILES	SMILES - Simplified Molecular Input Line Entry System
inchikey	InChIKey	InChIKey - hash of the InChI
iupacname	IUPAC_Name	IUPAC Name
exactmass	Exact_Mass	Exact Mass
monoisotopicmass	Monoisotopic_Mass	Monoisotopic Mass
charge	Charge	Formal Charge
covalentunitcnt	Covalent_Unit_Count	Covalently-Bonded Unit Count
isotopeatomcnt	Isotopic_Atom_Count	Isotope Atom Count
totalatomstereocnt	Total_Atom_Stereo_Count	Total Atoms Stereocenter Count
definedatomstereocnt	Defined_Atom_Stereo_Count	Defined Atom Stereocenter Count
undefinedatomstereocnt	Undefined_Atom_Stereo_Count	Undefined Atom Stereocenter Count
totalbondstereocnt	Total_Bond_Stereo_Count	Total Bond Stereocenter Count
definedbondstereocnt	Defined_Bond_Stereo_Count	Defined Bond Stereocenter Count
undefinedbondstereocnt	Undefined_Bond_Stereo_Count	Undefined Bond Stereocenter Count
pclidcnt	Linked_PubChem_Literature_Count	PubChem Consolidated Literature ID Count 
gpidcnt	Linked_PubChem_Patent_Count	Google Patent ID Count
gpfamilycnt	Linked_PubChem_Patent_Family_Count	Google Patent ID Family Count
meshheadings	MeSH_Headings	MeSH Headings
annothits	Annotation_Content	Annotation Hits
annothitcnt	Annotation_Type_Count	Annotation Hit Count
aids	Linked_BioAssays	Assay Identifiers (AIDs)
cidcdate	Create_Date	CID Create Date - date the compound entry was created
sidsrcname	Data_Source	Substance Identifier (SID) Source Name - which sources provided the related substance records
depcatg	Data_Source_Category	Deposition Categories
annotation	Tagged_by_PubChem	Extra Annotation tags