10-METHYL-4-PHENYL-11-OXA-5,6LAMBDA4,7-TRITHIATRICYCLO(6.4.0.0(2,6))DODECA-1(8),2(6),3,9-TETRAEN-12-ONE
10-methyl-4-phenyl-11-oxa-5,6lambda4,7-trithiatricyclo(6.4.0.0(2,6))dodeca-1(8),2(6),3,9-tetraen-12-one