1,2-Benzenedicarboxylic acid, mono(phenylmethyl) ester 23239-68-1 2528-16-7 Benzyl hydrogen phthalate EINECS 219-771-1 Mono(phenylmethyl) 1,2-benzenedicarboxylate Mono-benzyl phthalate Mono-n-benzyl phthalate Monobenzyl phthalate NSC 402008 Phthalic acid, benzyl ester