1. http://chem.wx-e.com/quote/spec/a072.htm
2. P. Hu, D. H. Hu, and H. Yang (2001). Determination of plant growth hormones in earthworm casts by high-performance liquid chromatography. Fenxi-Shiyanshi 20(6), 8–10.
3. Z. Zhang, Q. Zhang, Z. Wang, R. F. Lin, and Y. R. Tao (1994). High-performance liquid chromatography (HPLC) determination of internal hormones in buckwheat seedlings. Sepu 12(2), 140–141.
4. J. Hansen-Moeller (1992). Determination of indolic compounds in pig back fat by solid-phase extraction and gradient high-performance liquid chromatography with special emphasis on the boar taint compound skatole. J. Chromatogr. 624(1–2), 479–490.
5. Y. G. Du, S. G. Li, and H. L. Guo (2003). Differential display of plant internal secretion by high-performance liquid chromatography-coulometric array detection. Sepu 21(5), 507–509.