T
thecuongddh


hop chat thom ung voi cong thuc phan tu C8H802 co a dong phan Khong tac dung voi Na nhung tac dung voi NaOH va nuoc Brom; co b dong phan khong tac dung voi Na nhung tac dung duoc voi KOH theo ti le mol tuong ung la 1:2