Source:http://linkedlifedata.com/resource/umls/id/C0001459
MSH: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position.,CSP: adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position that is converted to ATP for energy for storage.