ethyl 5-(4-<1,1'-biphenyl>yl)-4-<<(1,1-dimethylethoxy)carbonyl>amino>-2-methyl-2-pentenoate

5-(4-<1,1'-联苯>基)-4-<<(1,1-二甲基乙氧基)羰>氨基>-2-甲基-2-戊烯酸甲酯