195252-40-5 6-(N-Cyclopropylformamido)-9-(cyclopropylmethyl)-9H-purine Formamide, N-cyclopropyl-N-(9-(cyclopropylmethyl)-9H-purin-6-yl)- N-Cyclopropyl-N-(9-(cyclopropylmethyl)-9H-purin-6-yl)formamide