1-氧代-2,5-二氮杂螺[3.4]辛烷-5-羧酸苄酯

2-(4-甲氧基苯基)-2,5-二氮杂螺[3.4]-1-辛酮

(4R)-2-(4-Methoxyphenyl)-2,5-diazaspiro[3.4]octan-1-one

5-Benzyl 2-(2-methyl-2-propanyl) (4R)-1-oxo-2,5-diazaspiro[3.4]oc tane-2,5-dicarboxylate

1-[(苄氧基)羰基]-L-脯氨酰甘氨酰甘氨酸