Table 4.

Organic acids in Ephedra sinica Stapf (structural formulas are shown in Figure S4).

No.	Classification	Compound Name	Ref.
128	Organic acids	Nebrodenside A	[22] [43]
129		Nebrodenside B	[22] [43]
130		O-coumaric acid glucoside	[22] [58]
131		Trans-cinnamic acid	[58]
132		Syringin	[45]
133		O-Coumaric acid	[25]
134		ρ-Hydroxybenzoic acid	[56]
135		Protocatechuic acid	[58]
136		Quinaldic acid	[59]
137		2-Hydroxyl-5-methoxybenzoic acid	[55]
138		Iso-ferulic acid	[55]
139		Vanillic acid	[56]
140		Caffeic acid	[58]
141		Chlorogenic acid	[58]
142		(3R)-3-O-β-D-glucopyranosyl-3-phenylpropanoic acid	[22]
143		Malic acid	[60]
144		Citric acid	[60]
145		Oxalic acid	[60]
146		Fumaric acid	[60]
147		4-O-β-D-glucoside benzoic acid	[61]
148		5-(hydroxy-isopropyl)-cyclohexenecarboxylic acid	[58]
149		Pseudolaroside B	[61]
150		n-hexacosane acid	[62]
151		Trans-aconitic acid	[50]