(2E,4R,5R,6S)-2-(4,5,6-Trihy-droxy-cyclo-hex-2-en-1-yl-idene)acetonitrile.

(2E,4R,5R,6S)-2-(4,5,6-Trihy-droxy-cyclo-hex-2-en-1-yl-idene)acetonitrile.