论文部分内容阅读
Terresoxazine, a novel benzoxazine derivative was isolated from the fruits of Tribulus terrestris. Its structure was determined as 7-hydroxy-3, 3a-dihydro-SH-pyrrolo-[1,2-α] [3,1]-benzoxazin-1 (2H)-one, on the basis of the spectral techniques and X-ray cr