IDENTIFIED GEOMETRICAL ISOMER OF COMPOUND 3-(3,5-DIMETHYL-2-PYRROLYL METHYLENE)-5-BROMO-INDOLONE BY USING THEORETICAL CALCULATION AND 1H NMR
Zheng Zhibing, Hu Yuandong, Cui Guangyao, Xie Yunde, Jiao Kefang, Li Song
Chinese Journal of Magnetic Resonance . 1999, (5): 455 -460 .