234. 4-Fenyl-2-methoxy-2-methyl-3,4-dihydro-2H,5H-pyrano[3,2-c]chromen-5-on^● (cyklokumarol);
3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H- pyrano (3,2-c)-(1)benzopyran-5-one (cyclocoumarol)°