| fr_Al_COO |
Count of aliphatic carboxylic acid groups (-COOH) |
RDKit |
| fr_Al_OH |
Count of aliphatic alcohol groups (-OH) |
RDKit |
| fr_Al_OH_noTert |
Count of non-tertiary aliphatic alcohol groups |
RDKit |
| fr_ArN |
Count of aromatic amines |
RDKit |
| fr_Ar_COO |
Count of aromatic carboxylic acid groups |
RDKit |
| fr_Ar_N |
Count of aromatic nitrogen atoms (excluding amines) |
RDKit |
| fr_Ar_NH |
Count of aromatic amines (-NH- groups) |
RDKit |
| fr_Ar_OH |
Count of phenol groups (aromatic alcohols) |
RDKit |
| fr_COO |
Count of carboxylic acid groups (-COOH) |
RDKit |
| fr_C_O |
Count of carbonyl groups (C=O) |
RDKit |
| fr_C_O_noCOO |
Count of carbonyls excluding carboxylic acids |
RDKit |
| fr_C_S |
Count of carbon-sulfur bonds |
RDKit |
| fr_HOCCN |
Count of hydroxyl connected to carbon connected to nitrogen |
RDKit |
| fr_Imine |
Count of imine groups (C=NH or C=NR) |
RDKit |
| fr_NH0 |
Count of nitrogen with zero attached hydrogens (e.g., quaternary) |
RDKit |
| fr_NH1 |
Count of nitrogen with one attached hydrogen |
RDKit |
| fr_NH2 |
Count of nitrogen with two attached hydrogens |
RDKit |
| fr_N_O |
Count of nitrogen-oxygen bonds |
RDKit |
| fr_Nhpyrrole |
Count of nitrogen atoms in pyrrole rings |
RDKit |
| fr_SH |
Count of thiol groups (-SH) |
RDKit |
| fr_aldehyde |
Count of aldehyde groups (-CHO) |
RDKit |
| fr_alkyl_carbamate |
Count of alkyl carbamate groups |
RDKit |
| fr_alkyl_halide |
Count of alkyl halide groups |
RDKit |
| fr_allylic_oxid |
Count of allylic oxidation sites |
RDKit |
| fr_amide |
Count of amide groups |
RDKit |
| fr_amidine |
Count of amidine groups |
RDKit |
| fr_aryl_methyl |
Count of methyl groups attached to aromatic rings |
RDKit |
| fr_azide |
Count of azide groups (-N3) |
RDKit |
| fr_azo |
Count of azo groups (-N=N-) |
RDKit |
| fr_barbitur |
Count of barbituric acid-like groups |
RDKit |
| fr_benzene |
Count of benzene rings |
RDKit |
| fr_benzodiazepine |
Count of benzodiazepine rings |
RDKit |
| fr_bicyclic |
Count of bicyclic ring systems |
RDKit |
| fr_diazo |
Count of diazo groups |
RDKit |
| fr_dihydropyridine |
Count of dihydropyridine rings |
RDKit |
| fr_epoxide |
Count of epoxide rings |
RDKit |
| fr_ester |
Count of ester groups |
RDKit |
| fr_ether |
Count of ether groups |
RDKit |
| fr_furan |
Count of furan rings |
RDKit |
| fr_guanido |
Count of guanidine groups |
RDKit |
| fr_halogen |
Count of halogen atoms (F, Cl, Br, I) |
RDKit |
| fr_hdrzine |
Count of hydrazine groups |
RDKit |
| fr_hdrzone |
Count of hydrazone groups |
RDKit |
| fr_imidazole |
Count of imidazole rings |
RDKit |
| fr_imid |
Count of imide groups |
RDKit |
| fr_isocyan |
Count of isocyanate groups |
RDKit |
| fr_isothiocyan |
Count of isothiocyanate groups |
RDKit |
| fr_ketone |
Count of ketone groups |
RDKit |
| fr_lactam |
Count of lactam rings |
RDKit |
| fr_lactone |
Count of lactone rings |
RDKit |
| fr_methoxy |
Count of methoxy groups (-OCH3) |
RDKit |
| fr_morpholine |
Count of morpholine rings |
RDKit |
| fr_nitrile |
Count of nitrile groups (-C≡N) |
RDKit |
| fr_nitro |
Count of nitro groups (-NO2) |
RDKit |
| fr_nitro_arom |
Count of aromatic nitro groups |
RDKit |
| fr_nitroso |
Count of nitroso groups (-NO) |
RDKit |
| fr_oxazole |
Count of oxazole rings |
RDKit |
| fr_oxime |
Count of oxime groups (=NOH) |
RDKit |
| fr_phenol |
Count of phenol groups |
RDKit |
| fr_phos_acid |
Count of phosphoric acid groups |
RDKit |
| fr_phos_ester |
Count of phosphoric ester groups |
RDKit |
| fr_priamide |
Count of primary amides |
RDKit |
| fr_prisulfonamd |
Count of primary sulfonamides |
RDKit |
| fr_pyridine |
Count of pyridine rings |
RDKit |
| fr_quatN |
Count of quaternary nitrogen atoms |
RDKit |
| fr_sulfide |
Count of sulfide groups (thioethers) |
RDKit |
| fr_sulfonamd |
Count of sulfonamide groups |
RDKit |
| fr_sulfone |
Count of sulfone groups |
RDKit |
| fr_term_acetylene |
Count of terminal acetylene groups |
RDKit |
| fr_tetrazole |
Count of tetrazole rings |
RDKit |
| fr_thiazole |
Count of thiazole rings |
RDKit |
| fr_thiocyan |
Count of thiocyanate groups |
RDKit |
| fr_thiophene |
Count of thiophene rings |
RDKit |
| fr_urea |
Count of urea groups |
RDKit |