Draw the major product from each of the reaction sequences shown below.
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You have to enable Java and JavaScript on your machine !	1.	1) perbenzoic acid (C6H5CO3H) 2) ethyllithium (C2H5Li) 3) PCC (C5H5N.CrO3.HCl)
	2.	1) C6H5MgBr in ether 2) phosphoric acid (H3PO4) & heat 3) ozonolysis (O3, then H2O2)
	3.	1) Jones' reag. (CrO3 in aq. H2SO4) 2) ethanol & acid catalyst & heat 3) NaOC2H5 & heat; then H3O(+)
	4.	1) C2H5COCl + AlCl3 & heat 2) (C6H5)3P=CH2 in ether 3) B2H6 in ether; then H2O2 & NaOH