Text this: 1,3-Dimethyl-3′,5-diphenyl-1,5-dihydro-2<i>H</i>,5′<i>H</i>-spiro[furo[2,3-<i>d</i>]pyrimidine-6,4′-isoxazole]-2,4,5′(3<i>H</i>)-trione