GU 7

3-(3,4-Dihydroxyphenyl)-8-hydroxymethyl-8-methyl-5-methoxy-6,7-dihydro-2H,8H-benzo(1,2-B-5,4-B')dipyran-2-one

2H,6H-Benzo(1,2-B:5,4-B')dipyran-2-one, 3-(2,4-dihydroxyphenyl)-7,8-dihydro-8-(hydroxymethyl)-5-methoxy-8-methyl-