129841-23-2 4-(2-Hydroxy-5-methoxyphenyl)-4-phenylbutyric acid, N,N-dimethylamide BRN 4201691 Benzenebutanamide, N,N-dimethyl-2-hydroxy-5-methoxy-gamma-phenyl- N,N-Dimethyl-2-hydroxy-5-methoxy-gamma-phenylbenzenebutanamide