Sharma, B. R.; Pujari, H. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 121 - 127

Remmers
Chemische Berichte, 1874 , vol. 7, p. 348

Sharma, B. R.; Pujari, H. K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 121 - 127