2, 4-diaminopyrimidine oxide 8-hydroxyquinoline vaporizer Quinoline oxide Dihelium-quinolidine oxide Bothril, 6-pyrrolidine-2.4-diaminobothril, 3-ox2 > compound Pyrrole alkyl dihelium-pyrimidine oxide 2.4-diaminopyrimidine-3-oxide 2.4- diaminopyrimidine 3-iodobenzoic acid 4,4' -diiodobiphenyl 4-iodoacetophenone p-iodoanisole