2,4,8,10-Tetraoxa-3,9-diboraspiro(5.5)undecane, 3,9-bis(4-methylphenyl)- 2,4,8,10-Tetraoxa-3,9-diboraspiro(5.5)undecane, 3,9-ditolyl- 7091-41-0 Di (p. methylbenzeneboronate) de pentaerythritol [French] Di-(p-methylbenzeneboronate) of pentaerythritol Pentaerythritol di(p-methylbenzeneboronate) p-Tolueneboronic acid, cyclic neopentanetetrayl ester pMbbp