1 PJA 4-formyl-3-hydroxy-8-methoxy-1,9-dimethyl-11-oxo-11h-dibenzo[B,E][1,4]dioxepine-6-carboxylic acid 1.000 2 W5W (1s,2s,11as)-1-methoxy-1,4,7,10-tetramethyl-2,9-bis(oxidanyl)-2,11a-dihydrobenzo[B][1,4]benzodioxepine-3,6-dione 0.700