ganglioside GM2 (natural compound)
ganglioside gm2 (natural compound)
A naturally occurring mixture of ganglioside GM2 analogues having within the ceramide moiety various <em>N</em>-acyl groups, <em>e.g.</em> octadecanoyl (R = ‒[CH<small><sub>2</sub></small>]<small><sub>16</sub></small>CH<small><sub>3</sub></small> in the diagram), icosanoyl (R = ‒[CH<small><sub>2</sub></small>]<small><sub>18</sub></small>CH<small><sub>3</sub></small>),  tetracos-15-enoyl (R = ‒[CH<small><sub>2</sub></small>]<small><sub>13</sub></small>HC=CH[CH<small><sub>2</sub></small>]<small><sub>7</sub></small>CH<small><sub>3</sub></small>).