phosphopantetheine S-acylpantetheine 4'-phosphate(2-) 383.068 383.33500 C12H20N2O8PSR CC(C)(COP([O-])([O-])=O)C(O)C(=O)NCCC(=O)NCCSC([*])=O CHEBI:47981 N-[2-(acylsulfanyl)ethyl]-N(3)-[2-hydroxy-3,3-dimethyl-4-(phosphonatooxy)butanoyl]-beta-alaninamide chebi_ontology