preferred_name: prostaglandin H1 + A + H2O => prostaglandin G1 + AH2
preferred_name_lc: prostaglandin h1 + a + h2o => prostaglandin g1 + ah2
label: prostaglandin H1 + A + H2O => prostaglandin G1 + AH2
label_lc: prostaglandin h1 + a + h2o => prostaglandin g1 + ah2