N-Boc-4-aminobutyric acid 2-(2-acetylphenyl)-1-methylethyl ester

allyl 4-(tert-butoxycarbonylamino)butanoate

1-Boc-四氢吡咯

2-Boc-硫代-4,6-二甲基嘧啶

bis[(2-methylpropan-2-yl)oxycarbonyl] carbonate