ethyl N-[3-[2-hydroxy-3-(propan-2-ylamino)propoxy]phenyl]carbamate

ethyl N-[3-[3-(tert-butylamino)-2-hydroxypropoxy]phenyl]carbamate

7-氨基-4-甲基-3-香豆素醋酸

甜菜安

2-[7-(ethoxycarbonylamino)-2-oxochromen-4-yl]acetic acid