C21878 Pyridinium-3-carboxy-5-thiocarboxylic acid mononucleotide
C21880 [Protein]-S-[5-carboxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-1-ium-3-carbonyl]-L-cysteine
RP18268_C21878 RP18268_C21880
C21878 C21880