Example
Example
graph TD;
Chemistry-->OrganicChemistry;
Chemistry-->InorganicChemistry;
Chemistry-->PhysicalChemistry;
Chemistry-->AnalyticalChemistry;
OrganicChemistry-->Alkanes;
OrganicChemistry-->Alkenes;
OrganicChemistry-->Alkynes;
InorganicChemistry-->Metals;
InorganicChemistry-->Nonmetals;
PhysicalChemistry-->Thermodynamics;
PhysicalChemistry-->QuantumMechanics;
AnalyticalChemistry-->QualitativeAnalysis;
AnalyticalChemistry-->QuantitativeAnalysis;
