CC(=O)O[C@@H]1[C@H](C)CC(O)=C2C(=O)c3c(O)ccc(-c4ccc(O)c5c4O[C@@]4(CO)C(=C(O)C[C@@H](C)[C@H]4OC(C)=O)C5=O)c3O[C@@]21CO	deacetyl-phomoxanthone C