2.6. Similarity search
In the field of cheminformatics to screening similar molecules is a smart practice, as the assumption underlies a fundamental principle that chemical compounds with similar structures should elicit similar biological activities [In the above Tanimoto equation, the SA represents the number of bits that are present in both the target and the reference, the SB is the number of bits that are present in the target but not in the reference, and the SC denotes the number of bits in the reference but not the target.