3-(2'-Amino-biphenyl-4-ylmethyl)-2-butyl-1,3-diaza-spiro[4.4]non-1-en-4-one

2-Butyl-3-(2'-nitro-biphenyl-4-ylmethyl)-1,3-diaza-spiro[4.4]non-1-en-4-one

2-butyl-3-((2'-(pyrrolidin-1-yldiazenyl)-[1,1'-biphenyl]-4-yl)methyl)-1,3-diazaspiro[4.4]non-1-en-4-one

戊酰氯

环亮氨酸