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2, 2-BIS (3, 5-DISUBSTITUTED- 4-HYDROXYPHENYL) PROPANE DERIVATIVE, PROCESS FOR PRODUCTION THEREOF AND PROCESS FOR PRODUCING PYROGALLOL USING SAID DERIVATIVE
2, 2-BIS (3, 5-DISUBSTITUTED- 4-HYDROXYPHENYL) PROPANE DERIVATIVE, PROCESS FOR PRODUCTION THEREOF AND PROCESS FOR PRODUCING PYROGALLOL USING SAID DERIVATIVE
A 2, 2-bis (3, 5-disubstituted- 4-hydroxyphenyl) propane derivative of the formula wherein each R1 represents a hydrogen atom or a lower alkyl group. 28 י" ב באב התש" ס - August 13, 2000
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