label: 1-O-methyl-(5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = 1-O-methyl (5Z,8Z,10E,12R,14Z)-hydroperoxyiecosatetraenoate
label_lc: 1-o-methyl-(5z,8z,11z,14z)-eicosatetraenoate + o2 = 1-o-methyl (5z,8z,10e,12r,14z)-hydroperoxyiecosatetraenoate