Lactones (excl. gammabutyrolactone; phenolphthalein; 1hydroxy4[1(4hydroxy3methoxycarbonyl1naphthyl)3oxo1h,3hbenzo[de]isochromen1yl]6octadecyloxy2naphthoic acid; 3′chloro6′cyclohexylaminospiro[isobenzofuran1(3h),9′xanthen]3one; 6′(nethylptoluidino)2′methylspiro[isobenzofuran1(3h),9′xanthen]3one; methyl6docosyloxy1hydroxy4[1(4hydroxy3methyl1phenanthryl)3oxo1h,3hnaphtho[1,8cd]pyran1yl]naphthalene2carboxylate)