1. Salimuzzaman Siddiqui:
HEJ Research Institute Chemistry University of Karachi, Karachi, Pakistan
2. Bina S. Siddiqui:
HEJ Research Institute Chemistry University of Karachi, Karachi, Pakistan
3. Ghiasuddin:
HEJ Research Institute Chemistry University of Karachi, Karachi, Pakistan
4. Shaheen Faizi:
HEJ Research Institute Chemistry University of Karachi, Karachi, Pakistan