1. 5-甲基-5,6,7,8-四氢喹唑啉-2,4-二胺-15N3

5-甲基-5,6,7,8-四氢喹唑啉-2,4-二胺-15N3

5-Methyl-5,6,7,8-Tetrahydroquinazoline-2,4-Diamine-15N3

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