2-Phenyl-9,12-dioxa-1,2,4-triazadispiro[4.2.4^{8}.2^{5}]tetradecan-3-one 1g

2-Phenyl-9,12-dioxa-1,2,4-triazadispiro[4.2.4^{8}.2^{5}]tetradecan-3-one 1g