(1 RS ,4 S R ,8 S R ,11 RS ,15 S R ,18 RS ,22 RS ,25 S R )-1,4:8,11:15,18:22,25-Tetraethano-29 H ,31 H -tetrabenzo[ b,g,l,q ]porphine chloroform disolvate - Shinji Aramaki; Yoshimasa Sakai; Hiroyuki Yanagisawa; Takatoshi Senju; Jin Mizuguchi (Acta Crystallographica Section E Structure Reports Online, 2005)