 19 October 1897 14 April 1994) was a URLanic chemist specialising in natural products, and a professor of the chemistry at the University of Karachi.
<clarity>  19 October 1897 14 April 1994) was a URLanic chemist specialising in natural products, and a professor of the chemistry at the University of Karachi.
 19 October 1897 14 April 1994) was a URLanic chemist specialising in natural products, and a professor of chemistry at the University of Karachi.