MW	molecular weight
AMW	average molecular weight
Sv	sum of atomic van der Waals volumes (scaled on Carbon atom)
Se	sum of atomic Sanderson electronegativities (scaled on Carbon atom)
Sp	sum of atomic polarizabilities (scaled on Carbon atom)
Ss	sum of Kier-Hall electrotopological states
Mv	mean atomic van der Waals volume (scaled on Carbon atom)
Me	mean atomic Sanderson electronegativity (scaled on Carbon atom)
Mp	mean atomic polarizability (scaled on Carbon atom)
Ms	mean electrotopological state
nAT	number of atoms
nSK	number of non-H atoms
nBT	number of bonds
nBO	number of non-H bonds
nBM	number of multiple bonds
SCBO	sum of conventional bond orders (H-depleted)
ARR	aromatic ratio
nCIC	number of rings
nCIR	number of circuits
RBN	number of rotatable bonds
RBF	rotatable bond fraction
nDB	number of double bonds
nTB	number of triple bonds
nAB	number of aromatic bonds
nH	number of Hydrogen atoms
nC	number of Carbon atoms
nN	number of Nitrogen atoms
nO	number of Oxygen atoms
nP	number of Phosphorous atoms
nS	number of Sulfur atoms
nF	number of Fluorine atoms
nCL	number of Chlorine atoms
nBR	number of Bromine atoms
nI	number of Iodine atoms
nB	number of Boron atoms
nHM	number of heavy atoms
nX	number of halogen atoms
nR03	number of 3-membered rings
nR04	number of 4-membered rings
nR05	number of 5-membered rings
nR06	number of 6-membered rings
nR07	number of 7-membered rings
nR08	number of 8-membered rings
nR09	number of 9-membered rings
nR10	number of 10-membered rings
nR11	number of 11-membered rings
nR12	number of 12-membered rings
nBnz	number of benzene-like rings