The reaction of mustard gas with the purine portion of deoxyribonucleic acid.
D004247:DNA / Q000737:chemistry*; D009151:Mustard Gas / Q000737:chemistry*; D011687:Purines
D011687:Purines; D004247:DNA; D009151:Mustard Gas; C030985:purine
DESOXYRIBONUCLEIC ACID/chemistry; MUSTARD GAS/chemistry