2H-3,1-Benzoxazine-1(4H)-acetic acid, 2,4-dioxo-, 1,1-dimethylethylester
CAS No. 167899-93-6
NSC149560 1740-37-0
1H-茚-1-醇,5,6-二氟-2,3-二氢
BiCl2 18756-62-2