"1-(5-(乙氧基羰基)-2-(甲硫基)嘧啶-4-基)-3-氧代-1,4-二氮杂螺[5.5]十一烷-4-羧酸叔丁酯"
"1-(5-(乙氧基羰基)-2-(甲硫基)嘧啶-4-基)-3-氧代-1,4-二氮杂螺[5.5]十一烷-4-羧酸叔丁酯"
"1-(5-(乙氧基羰基)-2-(甲硫基)嘧啶-4-基)-3-氧代-1,4-二氮杂螺[5.5]十一烷-4-羧酸叔丁酯"
"1-(5-(乙氧基羰基)-2-(甲硫基)嘧啶-4-基)-3-氧代-1,4-二氮杂螺[5.5]十一烷-4-羧酸叔丁酯"
"1-(5-(乙氧基羰基)-2-(甲硫基)嘧啶-4-基)-3-氧代-1,4-二氮杂螺[5.5]十一烷-4-羧酸叔丁酯"