115967-04-9 2(3H)-Benzoxazolone, 6-benzoyl-5-chloro-3-((4-hydroxy-4-phenyl-1-piperidinyl)methyl)- 6-Benzoyl-5-chloro-3-((4-hydroxy-4-phenyl-1-piperidinyl)methyl)-2(3H)-benzoxazolone