| 摘要 |
1505120 Sulphonyl carbazides UNIROYAL Inc 2 May 1975 [5 June 1975] 18434/75 Heading C2C [Also in Division C3] The invention comprises a sulphonyl carbazate containing at least one group which may be obtained by reacting (1) a sulphonyl hydrazide with a chloroformic ester, or (2) a sulphonyl chloride with a carbazic acid ester.
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