Patent ID: 6300517
Filing Date: 2001-10-09
Classification: C07F

Abstract:
A compound of the formula I ##STR7##whereR.sup.1 is hydrogen, a C.sub.1 -C.sub.7 -alkyl radical, a C.sub.6 -C.sub.10 -aryl radical or a monovalent metal, preferably sodium or potassium,R.sup.2 is hydrogen or a C.sub.1 -C.sub.7 -alkyl radical,R.sup.3 is hydrogen or an --NR.sup.5 R.sup.6 radical, where R.sup.5 and R.sup.6 are identical or different and are hydrogen or C.sub.1 -C.sub.7 -alkyl or C.sub.6 -C.sub.10 -aryl radicals,R.sup.4 is a C.sub.1 -C.sub.7 -alkyl or C.sub.6 -C.sub.10 -aryl radical andm is 0 or 1.