(protocatechuic acid)
分子式：C7H6O4 Mol. Wt.: 154.12 mp:203−207℃
表 原兒茶酸(protocatechuic acid)氫、碳化學位移(CD3OD)a
position
H(400 MHz)
C (100 MHz)
1
120.2
2
7.42 (s)
114.8
3
143.1
4
148.6
5
6.78 (1H, d, 7.6 )
112.8
6
7.40 (1H, d, 7.6 )
121.0
7
167.3
a(Multiplicity, J in Hz) in ppm.
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H(400 MHz)C (100 MHz)
