References
- Ahmad, V. U. and Rahman, A. U., Handbook of natural products data; Pentacyclic triterpenoids. Elsevier Science, 2, 111 (1994)
- Basnet, P., Matsushige, K., Hase, K., Kadota, S., and Namba, T., Four di-O-caffeoyl quinic acid derivatives from Propolis. Potent hepatoprotective activity in experimental liver injury models. Biol. Pharm. Bull., 19, 1479-1484 (1996) https://doi.org/10.1248/bpb.19.1479
- Bohlmann, F., Zeisberg, R., and Klien, E., Naturally occurring terpene derivatives. L. Carbon-13 NMR spectra of monoterpenes. Org. Mag. Res., 7, 426-432 (1975) https://doi.org/10.1002/mrc.1270070907
- Choi, S. Z., Kwon, H. C., Choi, S. U., and Lee, K. R., Five New Labdane Diterpenes from Aster oharai. J. Nat. Prod., 65, 1102-1106 (2002) https://doi.org/10.1021/np020119g
- Fraga, B. M., Hernandez, M. G., Mestres, T., Arteaga, J. M., and Perales, A., Eudesmane sesquiterpenes from Teucrium heterophyllum. The X-ray structure of teucdiol A. Phytochemistry, 34, 1083-1086 (1993) https://doi.org/10.1016/S0031-9422(00)90719-2
- Fraga, B. M., Hernandez, M. G., Mestres, T., Terrero, D., and Arteaga, J. M., Nor-sesquiterpenes from Teucrium heterophyllum. Phytochemistry, 39, 617-619 (1995) https://doi.org/10.1016/0031-9422(94)00947-R
- Goad, L. J., Analysis of sterols. Blackie academic & professional, London, pp. 388 (1997)
- Iida, T., Ishikawa, T., Tamura, T., and Matumoto, T., Carbon-13 nuclear magnetic resonance spectroscopic evidence of chondrillasterol isolated from ground seed oil. Yukagaku, 29, 345-346 (1980)
- Iwahashi, H., Morishita, H., Osaka, N., and Kido, R., 3-O-Feruloyl-4-O-caffeoylquinic acid from coffee beans. Phytochemistry, 24, 630-632 (1985) https://doi.org/10.1016/S0031-9422(00)80793-1
- Kim, T. J., Wild flowers of Korea. Seoul, Korea, Kugilmedia, p. 232, (1996)
- Lee, K. R., Peroxide constituents in the natural product research. Kor. J. Pharmacogn., 22, 145-155 (1991)
- Lin, L. C., Kuo, Y. C., and Chou, C. J., Immunomodulatory principles of Dichrocephala bicolor. J. Nat. Prod., 62, 405-408 (1999) https://doi.org/10.1021/np980153o
- Lu, T., Vargas, D., and Fischer, N. H., Sesquiterpenes from Brintonia discoidea. Phytochemistry, 34, 737-742 (1993) https://doi.org/10.1016/0031-9422(93)85350-Z
-
Mahato, S. B. and Kundu, A. P.,
$^{13}C$ -NMR spectra of pentacyclic triterpenoids-a complilation and some salient features. Phytochemistry, 37, 1517-1575 (1994) https://doi.org/10.1016/S0031-9422(00)89569-2 - Oliveira, F. C., Ferreira, M. J. P., Nunez, C. V., Rodriguez, G. V., and Emerenciano, V. P., 13C-NMR spectroscopy of eudesmane sesquiterpenes. Prog. Nucl. Mag. Res. Sp., 7, 145 (2000)
- Skehan, P., Storeng, R., Scudiero, D., Monks, A., McMahon, J., Vistica, D., Warren, J. T., Bokesch, H., Kenney, S., and Boyd, M. R., New colorimetric cytotoxicity assay for anticancer-drug screening. J. Natl. Cancer Inst., 82, 1107-1112 (1990) https://doi.org/10.1093/jnci/82.13.1107