CJCU
Synthesis and Crystal Structure of (Z)-1,2,5-Trimethyl-3-Pyrrolylmethylidene (Isop ropy lidene)-Succinic Anh ydride
Wang Fan, Liu Zuocai, Wang Huanzhong, liang Qian
Chem. J. Chinese Universities . 1989, (2): 206 -208 .