File:M-heptahelicene.svg

DescriptionM-heptahelicene.svg Deutsch: (M)-Heptahelicen English: (M)-heptahelicene Date 16 May 2010 Source Own work Author Sponk (talk) Permission (Reusing

Permission (Reusing this file) Other versions (M)-heptahelicene SVG development InfoField   The source code of this SVG is invalid due to 49 errors.   This W3C-invalid