Bibliografisk träff 1998-10-01 Antiallergic agent from natural sources. Structures and inhibitory effect of histamine release of naphthopyrone glycosides from seeds of Cassia obtusifolia L. Kitanaka S, Nakayama T, Shibano T, Ohkoshi E, Takido M. Chem Pharm Bull (Tokyo) · journal article · DOI 10.1248/cpb.46.1650