pubchem_id
"http://identifiers.org/pubchem.compound/4708"
"http://identifiers.org/pubchem.compound/4713"
"http://identifiers.org/pubchem.compound/3006531"
"http://identifiers.org/pubchem.compound/3973"
"http://identifiers.org/pubchem.compound/9813758"
"http://identifiers.org/pubchem.compound/3547"
"http://identifiers.org/pubchem.compound/126402"
"http://identifiers.org/pubchem.compound/5040"
"http://identifiers.org/pubchem.compound/2046"
"http://identifiers.org/pubchem.compound/5328775"
"http://identifiers.org/pubchem.compound/5957"
"http://identifiers.org/pubchem.compound/72941992"
"http://identifiers.org/pubchem.compound/4124851"
"http://identifiers.org/pubchem.compound/4210951"
"http://identifiers.org/pubchem.compound/10224714"
"http://identifiers.org/pubchem.compound/176155"
"http://identifiers.org/pubchem.compound/6741"
"http://identifiers.org/pubchem.compound/6324617"