6-amino-2-methoxy-3,4-methylenedioxybenzoic acid

6-methoxy-4,5-methylenedioxyisatoic anhydride

6-methoxy-4,5-methylenedioxy-N-methylisatoic anhydride

11-methoxy-5-methyl-8,9-dihydro-[1,3]dioxolo[4,5-b]acridin-10(5H)-one

2-(7-methoxy-benzo[1,3]dioxol-5-ylamino)-benzoic acid