The natural tannins

[1] Analysis concerning material originating from lichen. XIV. Communication. Synthesis of gyrophoric acid (I). [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1932, 65 (06): : 983 - 984

[2] Analysis of lichenic substances, VI: On the gyrophoric acid. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1930, 63 : 3044 - 3048

[3] BOTTINGER, 1887, BER, V20, P761

[4] Lichen acids Part V A synthesis of methyl O-tetramethylgyrophorate [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1933, : 493 - 495

[5] CURRIE T, 1932, J CHEM SOC, P202

[6] ECKERT, 1864, VIERTELJAHRSCHR PRAK, V13, P494

[7] ETTI, 1883, MONATSH, V4, P518

[8] ETTI, 1884, BER, V17, P1820

[9] ETTI, 1881, BER, V14, P1826

[10] ETTI, 1880, MONATSH, V1, P262

[1] Analysis concerning material originating from lichen. XIV. Communication. Synthesis of gyrophoric acid (I). [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1932, 65 (06): : 983 - 984

[2] Analysis of lichenic substances, VI: On the gyrophoric acid. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1930, 63 : 3044 - 3048

[3] BOTTINGER, 1887, BER, V20, P761

[4] Lichen acids Part V A synthesis of methyl O-tetramethylgyrophorate [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1933, : 493 - 495

[5] CURRIE T, 1932, J CHEM SOC, P202

[6] ECKERT, 1864, VIERTELJAHRSCHR PRAK, V13, P494

[7] ETTI, 1883, MONATSH, V4, P518

[8] ETTI, 1884, BER, V17, P1820

[9] ETTI, 1881, BER, V14, P1826

[10] ETTI, 1880, MONATSH, V1, P262