@property<EOL><INDENT>def ringss(self):<DEDENT>
return [i.rings for i in self.Chemicals]<EOL>
r'''List of ring counts for all chemicals in the mixture.

        Examples
        --------
        >>> Mixture(['Docetaxel', 'Paclitaxel'], zs=[.5, .5]).ringss
        [6, 7]