SMILES: C[C@@]\\1([C@@H](/C/2=C/C3=N/C(=C\\C4=C(C(=C(N4)CC5=C(C(=C(N5)/C=C1\\N2)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O)/[C@H]([C@]3(C)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O
Description: The molecule is the second intermediate in the biosynthesis of vitamin B12 from uroporphyrinogen III, in which methyl groups have been introduced at positions 2 and 7 of the tetrapyrrole framework. It has a role as an Escherichia coli metabolite. It is a precorrin and a member of isobacteriochlorins. It is a conjugate acid of a precorrin-2(7-).