亚苯甲基丙二酸二乙酯

diethyl 2-((4-methylphenylsulfonamido)(phenyl)methyl)malonate

tetraethyl 2-phenylpropane-1,1,3,3-tetracarboxylate

DL-3-氨基-3-苯基丙酸

4-methyl-N-(2-methyl-1-phenyl-propyl)-benzenesulfonamide