Gastrodia elata BI.:A Comprehensive Review of Its Traditional Use, Botany, Phytochemistry, Pharmacology, and Pharmacokinetics

Table 3

Phenolic compounds containing two or more benzene rings.

No	Name	Ref
22	4,4′-Dihydroxydiphenyl methane	[39]
23	4-Hydroxybenzyl ether	[38]
24	4-(4′-hydroxybenzyl-oxy) benzyl methyl ether	[37]
25	2,2′methylene-bis(6-tert-butyl-4-methylphenl)	[44]
26	Gastrol A	[24]
27	p-Hydroxybenyloxy benzlalcohol	[44]
28	4, 4′–Dihydroxybenzyl sulfoxide	[44]
29	4-[4′-(4″-hydroxybenzyloxy)benzyloxy]benzyl methyl ether	[38]
30	Gastrodamine	[44]
31	2, 4-bis(4-hydroxybenzyl) phenol	[38]
32	4-hydroxy-3-(4′-hydroxybenzyl) benzyl alcohol	[45]
33	bis-(4-hydroxybenzyl)sulfide	[46]
34	4, 4′-dihydroxybenzyl sulfone	[47]
35	4-hydroxybenzyl vanillyl ether	[48]
36	4-{{4-[4-(methoxymethyl)phenoxy]benzyl} oxy} benzylmethyl ether	[48]
37	(4-hydroxy-3-(4-hydroxybenzyl) benzylmethyl ether	[48]
38	2-(4-hydroxy-3-(4-hydroxybenzyl)benzyl)-(methoxymethyl)phenol	[49]
39	2-(4-hydroxy-3-(4-hydroxy-3-(4-hydroxybenzyl)benzyl)benzyl)-4-(methoxymethyl)phenol	[49]
40	2-(4-hydroxy-3-(4-hydroxybenzyl)benzyl)-4-(4-hydroxybenzyl)phenol	[49]