920030-92-8 2,9-Dioxa-3,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,13-methyl-1,8-bis(4-methylphenyl)-3,4,10,11-tetraphenyl-,(1R,4S,5S,7R,8S,11R)-rel- 920030-98-4 2,9-Dioxa-3,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,1,8-bis(4-methoxyphenyl)-13-methyl-3,4,10,11-tetraphenyl-,(1R,4S,5S,7R,8S,11R)-rel- 920031-00-1 1,9-Dioxa-2,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,4,8-bis(4-methoxyphenyl)-13-methyl-2,3,10,11-tetraphenyl-,(3R,4S,8R,11S)-rel- 920031-02-3 2,9-Dioxa-3,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,1,8-bis(4-fluorophenyl)-13-methyl-3,4,10,11-tetraphenyl-,(1R,4S,5S,7R,8S,11R)-rel- 920031-09-0 1,9-Dioxa-2,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,13-methyl-4,8-bis(2-methylphenyl)-2,3,10,11-tetraphenyl-,(3R,4S,8R,11S)-rel- 920031-21-6 1,9-Dioxa-2,10,13-triazadispiro[4.1.4.3]tetradecan-6-one,13-methyl-3,4,8,11-tetrakis(4-methylphenyl)-2,10-diphenyl-,(3R,4S,8R,11S)-rel-