% Decorator         Odds
% Size of smallest ring
r3                  
r4                  
r5                     
r6                  
% Number of rings
R0                  
R1                  
R2                  
R3                  
R4                  
R
!R0                  
!R1                  
!R2                  
!R3                  
!R4
!R                  
% total connectivity
X1              
X2              
X3              
X4              
!X1              
!X2              
!X3              
!X4              
% total hydrogen count
H0              
!H0             
H1       
!H1       
H2 
!H2             
H3 
!H3             
% aromatic/aliphatic
a  
!a             
A 
!A              
% charges
-1              
+0              
+1              
% no decorator
''
