% 'D-alanine' config('D-alanine',[ substituent(aminoacid_D_backbone), substituent(methyl), linkage(from(aminoacid_D_backbone,car(1)), to(methyl,car(1)), up,single)]). %%%% Substituent Config Rules for compound 'D-alanine' %%%% config(aminoacid_D_backbone,[ center(car(1)), left(amino), right(hyd), bottom(carboxyl)]).