Source code:
@Grab(group='org.openscience.cdk', module='cdk-bundle', version='2.9')
import org.openscience.cdk.templates.*;
import org.openscience.cdk.isomorphism.*;
butane = MoleculeFactory.makeAlkane(4);
isomorphismTester = new UniversalIsomorphismTester()
println "Is isomorphic: " +
isomorphismTester.isIsomorph(
butane, butane
)
Output:
Is isomorphic: true