rdchiral
rdchiral copied to clipboard
Fixed bugs in template extraction
- Manually add isotope labels to atoms whenever they are used for matching
- Fix chirality around unmapped rings
- Improve definition of fragment around tetrahedral centers for determining if chiral centers are equivalent
- Added test cases
- All test cases passed when using RDKit 2020.03.1 (One test case, 21, did not pass with RDKit 2019.03.4)