ethyl 5-hydroxyhex-2-ynoate

2-[4-(ethoxycarbonylamino)phenyl]acetic acid

6-iodo-8-methyl-1H-3,1-benzoxazine-2,4-dione

ethyl 4-[bis(trimethylsilyl)amino]but-2-ynoate

N-(乙氧羰基)-2-甲基-丙氨酸