O'Neil Maryadele J, ed. Merck index: An encyclopedia of chemicals, drugs and biologicals - 15th ed. - Cambridge RSC Publishing 2013 - v. p. 2132 24/09/2015 RBP15/48118 01/10/2015 Pharmaceutical Sciences (Non- Plan) ISBN: GBP99.99 Dewey Class. No.: 615.103 O2M(15)