Isolation of a new tetranortriterpenoid from the uncrushed green leaves of Azadirachta indica Govindachari, T. R. ; Malathi, R. ; Gopalakrishnan, Geetha ; Suresh, G. ; Rajan, S. S. Abstract Publication: Phytochemistry Pub Date: November 1999 DOI: 10.1016/S0031-9422(99)00367-2 Bibcode: 1999PChem..52.1117G