TR Garbe, M Kobayashi, N Shimizu… - Journal of Natural …, 2000 - ACS Publications
The novel indole derivatives 2, 2-bis (3, 3 '-indolyl) propionic acid (1); 1, 1, 1,-tris (3, 3 ', 3 ''-
indolyl) ethane (2); and 2, 2-bis (3, 3 '-indolyl) isocaproic acid (3) were isolated from solvent …