... or Crystal,white,smell-less. hzwang at greenskybio dot com SpecificationsBotanical Source: Adenosine USPAppearance: Powder or Crystal,white, ... phosphate bond, high-energy phosphate bond cleavage, the large amount of energy is released out.Pharmacological effects:This ... , blocking and prolonging atrioventricular conduction before the loop, large doses can still be blocked atrioventricular Way of reentry, ...