tert-butyl 2-acetyl-2-(tetrahydro-2H-pyran-4-yl)hydrazine-1-carboxylate

2-甲基-2-丙基2-乙酰基肼羧酸酯

tert-butyl N-amino-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamate

2-氰基-1H-吡咯-1-氨基甲酸叔丁酯

tert-butyl N-(tritylamino)carbamate