162011-90-7 186912-82-3 2(5H)-Furanone, 4-(4-(methylsulfonyl)phenyl)-3-phenyl- 3-Phenyl-4-(4-(methylsulfonyl)phenyl))-2(5H)-furanone 4-(4-(Methylsulfonyl)phenyl)-3-phenyl-2(5H)-furanone CCRIS 8967 Ceoxx HSDB 7262 MK 0966 MK 966 MK0966 Rofecoxib Vioxx