label: 5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide + fumarate => (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinate
label_lc: 5-amino-1-(5-phospho-beta-d-ribosyl)imidazole-4-carboxamide + fumarate => (2s)-2-[5-amino-1-(5-phospho-beta-d-ribosyl)imidazole-4-carboxamido]succinate