org.openscience.cdk org.openscience.cdk.atomtype org.openscience.cdk.config org.openscience.cdk.config.atomtypes org.openscience.cdk.fingerprint org.openscience.cdk.graph org.openscience.cdk.graph.matrix org.openscience.cdk.io org.openscience.cdk.io.iterator org.openscience.cdk.io.random org.openscience.cdk.io.setting org.openscience.cdk.ringsearch org.openscience.cdk.sgroup org.openscience.cdk.stereo org.openscience.cdk.tools org.openscience.cdk.tools.manipulator org.openscience.cdk.tools.periodictable