"1" . "348.352" . "4" . "3.24" . "46.97" . "23.93" . "14" . "Hunter, J.H.; U S . Patent 3,116,282; December 31,1963; assigned to The Upjohn Company." . "186-188" . "-0.17" . "(2R)-2,3-bis(butanoyloxy)propoxydihydroxyphosphonous acid" . "ChemAxon" . "2-amino-8-methyl-1,4-dihydroquinazolin-4-one" . "0" . "170.167065326" . "36.15" .