% '2-methyl-4-amino-5-hydroxymethyl-pyrimidine' config('2-methyl-4-amino-5-hydroxymethyl-pyrimidine',[ ring([ nit(1)&, car(2,methyl(7))&, nit(3)&, car(4,amine)&, car(5,hydroxymethyl(8))&, car(6,hyd)&])]).