二氯[Rel-[N2(S)]-N1,N1-二甲基-N2-[2-[(R)-苯硫基-kappaS]乙基]-1,2-乙二胺kappaNN1,kappaN2](三苯基膦)钌(II),含二氯甲烷化合物, Dichloro[rel-[N2(S)]-N1,N1-dimethyl-N2-[2-[(R)-phenylthio-κS]ethyl]-1,2-ethanediamine-κNN1,κN2](triphenylphosphine)ruthenium(II), compd. with dichloromethane