Term Name:	precorrin-5
Synonyms:	3,3',3'',3'''-[(2S,3S,7S,11S,17R)-1-acetyl-2,7,12,18-tetrakis(carboxymethyl)-2,7,11,17-tetramethyl-18,19-didehydrocorrin-3,8,13,17-tetrayl]tetrapropanoic acid, Precorrin 5
Definition:	The intermediate in the biosynthesis of vitamin B12 from uroporphyrinogen III in which five methyl groups have been introduced into the tetrapyrrole framework, together with ring contraction.
Ontology:	ChEBI [CHEBI:27630]  ( EBI )