1 YPF 4-[6-(4-oxidanylbut-1-ynyl)phenanthren-3-yl]but-3-ynyl dihydrogen phosphate 1.000 2 YPE 4-[8-(4-hydroxybut-1-yn-1-yl)pyren-1-yl]but-3-yn-1-yl dihydrogen phosphate 0.933