| p-chloro-alpha-hydroxy-alpha-toluenephosphonic aci diethyl ester |
| p-chloro-alpha-hydroxy-alpha-toluenephosphonic acid diethyl ester |
| ((4-chlorophenyl)hydroxymethyl)-phosphonic aci diethyl ester |
| p-chloro-alpha-hydroxy-alpha-toluenephosphonic acidiethyl ester |
