N-苄氧羰基-L-苯丙氨酸对硝基苯酯

ethyl 2-[(2-ethoxy-2-oxoethyl)carbamoylamino]acetate

4-硝基苯基二甲氨基甲酸盐

(4-nitrophenyl) carbonate

bis(2-chlorophenyl) carbonate