5.6
[1]. Amr Awad Ibrahim, et al. Mesoporous tin oxide-supported phosphomolybdic acid as high performance acid catalysts for the synthesis of hydroquinone diacetate.Colloids and Surfaces A: Physicochemical and Engineering Aspects.Volume 586, 5 February , 18
P6-P8-P3+P35-P36+P36
GHS7