antimony: 5-(hydroxymethyl)-1H-pyrimidine-2,4-dione: dihydrate

8,14-Bis(hydroxymethyl)-2,4,10,12-tetraoxa-6,16,17,18-tetraaza-3,11-distibatricyclo[11.3.1.15,9]octadeca-1(17),5,7,9(18),13,15-hexene-3,11-diol

2,4,10,12-Tetraoxa-6,16,17,18-tetraaza-3,11-distibatricyclo(11.3.1.1(sup 5,9))octadeca-1(17),5,7,9(18),13,15-hexaene-8,14-dimethanol, 3,11-dihydroxy-