11H-DIBENZO(b,e)(1,4)DIOXEPIN-7-CARBOXYLIC ACID, 3,8-DIHYDROXY-1-PENTOXYMETHYL-6 11H-Dibenzo(b,e)(1,4)dioxepin-7-carboxylic acid, 3,8-dihydroxy-1-pentoxymethyl-6-pentyl-11-oxo- 73927-67-0