3.2.2.20 0.0004 - 3-benzyladenine 3.2.2.20 0.0023 - 3-butyladenine 3.2.2.20 0.005 - 3-propyladenine 3.2.2.20 0.05 - 3-ethyladenine 3.2.2.20 1.5 - 3-Methyladenine