(S)-3-methoxycarbonyl-4-(5-methoxy-3,4-(methylenedioxy)phenyl)butanoic acid

(S)-4-((7-methoxybenzo[d][1,3]dioxol-5-yl)methyl)-3-(3,4,5-trimethoxybenzylidene)dihydrofuran-2(3H)-one

4-(3,4-dihydroxy-5-methoxybenzyl)-3-(3,4,5-trimethoxybenzylidene)dihydrofuran-2(3H)-one

(S,E)-6,7-dihydroxy-8,9,10,11-tetramethoxy-3a,4-dihydrodibenzo[4,5:6,7]cycloocta[1,2-c]furan-1(3H)-one

(S,E)-6,7,8,9-tetramethoxy-14,14a-dihydrobenzo[3',4']furo[3'',4'':6',7']cycloocta[1',2':4,5]benzo[1,2-d][1,3]dioxol-3(1H)-one