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  Indian J Med Microbiol
 

Figure 1: 1H-nuclear magnetic resonance of isolated 24-methylenecycloartanyl ferulate (a), 13C-nuclear magnetic resonance of isolated 24-methylenecycloartanyl ferulate (b), distortionless enhancement by polarization transfer spectrum of isolated 24-methylenecycloartanyl ferulate (c) and heteronuclear multiple bond correlation of the isolated compound (i.e. heteronuclear multiple bond correlation [H–C]) (d)

Figure 1: <sup>1</sup>H-nuclear magnetic resonance of isolated 24-methylenecycloartanyl ferulate (a), <sup>13</sup>C-nuclear magnetic resonance of isolated 24-methylenecycloartanyl ferulate (b), distortionless enhancement by polarization transfer spectrum of isolated 24-methylenecycloartanyl ferulate (c) and heteronuclear multiple bond correlation of the isolated compound (i.e. heteronuclear multiple bond correlation [H–C]) (d)