Node Connectivity
There are 4973 nodes that can be used as predessesor
for a node with an input port of type 
Generic Port.
Element Filter
Filters molecules by element type occurrence.
Fingerprint Similarity
Calculates the Tanimoto similarity coefficient for two fingerprints of equal size.
Fingerprints
Generate fingerprints for CDK molecules
Hydrogen Manipulator
Manipulates hydrogens of CDK molecules
Lipinski's Rule-of-Five
Calculates the number failures of the Lipinski's Rule Of Five.
Mass Calculator
This node calculates the molecular mass or molar mass of a sum formula.
Molecular Properties
Calculates molecular properties using CDK
OPSIN
Retrieves various formats for a given molecule.
SMARTS Query
Filters molecules based on a SMARTS search
Structure Sketcher
Sketch a molecular structure