Quinone methides are reactive intermediates in organic chemistry. The "p-" might be specifying a position or type of quinone methide.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
((2S,4R)-1-benzyl-4-((tert-butyldimethylsilyl)oxy)pyrrolidin-2-yl)diphenylmethanol