preferred_name: urobilinogen + 4 A => (4Z,15Z)-bilirubin IXalpha + 4 AH2
preferred_name_lc: urobilinogen + 4 a => (4z,15z)-bilirubin ixalpha + 4 ah2
label: urobilinogen + 4 A => (4Z,15Z)-bilirubin IXalpha + 4 AH2
label_lc: urobilinogen + 4 a => (4z,15z)-bilirubin ixalpha + 4 ah2