preferred_name: urobilinogen + 2 A = (4Z,15Z)-mesobilirubin IXalpha + 2 AH2
preferred_name_lc: urobilinogen + 2 a = (4z,15z)-mesobilirubin ixalpha + 2 ah2
label: urobilinogen + 2 A = (4Z,15Z)-mesobilirubin IXalpha + 2 AH2
label_lc: urobilinogen + 2 a = (4z,15z)-mesobilirubin ixalpha + 2 ah2