1,3-Tautomerizable
1,5-Tautomerizable
Alcohol
Aldehyde
Alkene
Alkyne
Amine
Annelated_rings
Aromatic
Bridged_rings
CH-acidic
Carboxylic_acid_derivative
Cis_double_bond
Conjugated_double_bond
Dialkylether
Epoxide
Hetero_N_basic_H
Hetero_N_nonbasic
Hetero_O
Heteroaromatic
Heterocyclic
Ketone
NH_aziridine
Nitrile
Primary_alcohol
Primary_carbon
Quaternary_carbon
Rotatable_bond
Secondary_alcohol
Secondary_aliph_amine
Secondary_carbon
Spiro
Tertiary_alcohol
Tertiary_aliph_amine
Tertiary_carbon
Trans_double_bond
