label: P(1)-(7-hydroxy-6-(hydroxyethyl)-5-methoxy-4-methylphthalan-1-one-2-yl)-P(2)-(2-ethyladenosin-5'-yl)methylenebis(phosphonate)
label_lc: p(1)-(7-hydroxy-6-(hydroxyethyl)-5-methoxy-4-methylphthalan-1-one-2-yl)-p(2)-(2-ethyladenosin-5'-yl)methylenebis(phosphonate)