Phenylboron dichloride873-51-831 % similar Phenylboronic acid98-80-631 % similar 2-Aminoethyl ether2752-17-231 % similar N-Benzyl-1,3-propanediamine13910-48-031 % similar 1-(2-Aminoethyl)-4-benzylpiperazine4553-21-331 % similar (2-Bromoethoxy)benzene589-10-630 % similar