2H-Pyrrole-2-carboxamide, 4-ethyl-3,4-dihydro-4-hydroxy-5-(3-hydroxy-2-pyridinyl)-, (2S-trans)- 3,4-Dihydro-4-ethyl-4-hydroxy-5-(3-hydroxy-2-pyridyl)-2H-pyrrole-2-carboxamide 93973-61-6 Siderochelin C