4-Boronoaniline hydrochloride4-Aminobenzeneboronic acid hydrochloride4-氨基苯硼酸 盐酸盐4-Aminophenylboronic acid hydrochloride4-Aminophenylboronic acid hydrochloride4-氨苯基硼酸 盐酸盐4-AMINOPHENYLBORONIC ACID HYDROCHLORIDE4-Aminobenzeneboronic acid hydrochloride(4-Aminophenyl)boronic acid hydrochloride