1H-Imidazo(4,5-C)pyridin-4-amine, 1-(5-S-(3-amino-3-carboxypropyl)-5-thio-beta-D-ribofuranosyl)-, (S)- 3-Deazaadenosylhomocysteine 53199-57-8 S-(3-Deazaadenosyl)-L-homocysteine S-(3-Deazaadenosyl)-L-homocysteine monohydrate S-(3-Deazaadenosyl)homocysteine