1 93X (3~{R},4~{R})-3-(hydroxymethyl)-4-(4-methoxy-3-oxidanyl-phenyl)-1-(3,4,5-trimethoxyphenyl)azetidin-2-one 1.000 2 6ZR (3r,4r)-4-(4-methoxy-3-oxidanyl-phenyl)-3-methyl-1-(3,4,5-trimethoxyphenyl)azetidin-2-one 0.964 3 84F (3s,4r)-4-(3-hydroxy-4-methoxyphenyl)-3-methyl-1-(3,4,5-trimethoxyphenyl)azetidin-2-one 0.964