107021-64-7 4-Benzoxazolecarboxamide, 5-hydroxy-2-(5-hydroxy-2-(hydroxymethyl)-4-pyrimidinyl)-7-methyl- 5-Hydroxy-2-(5-hydroxy-2-(hydroxymethyl)-4-pyrimidinyl)-7-methyl-4-benzoxazolecarboxamide Boxazomycin A