Chatwal, Gurdeep . Organic Chemistry of Natural Products Vol. 1 / Textual Documents Gurdeep Chatwal. - 1st ed. / - Bombay : Himalaya Publishing , 1994. - xi, 672p. ; 23cm. ISBN: PB Subjects--Index Terms: Chemistry Organic Chemistry Natural Products PG-Chemistry Dewey Class. No.: 547 / Ch 39 Or