2932201000
- Heterocyclic compounds with oxygen hetero-atom(s) only
- Lactones
- Phenolphthalein; 1-hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid; 3′-chloro-6′-cyclohexylaminospiro[isobenzofuran-1(3H),9′-xanthen]-3-one; 6′-(N-ethyl-p-toluidino)-2′-methylspiro[isobenzofuran-1(3H),9′-xanthen]-3-one; methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate