Benzo(h)(1)benzopyrano(5,4,3-cde)(1)benzopyran-5,12-dione, 10-((6-deox y-2-O-(6-deoxy-alpha-D-galactopyranosyl)-beta-D-galactopyranosyl)oxy)- 6-hydroxy-1-methyl- [ 128229-64-1 ]