98502-93-3
→
~74%
83056-59-1
2-嘧啶胺,5-(氯甲基)-
51037-30-0
阿西莫司
81831-68-7
2-氯甲基-5-甲基吡嗪
74416-38-9
methyl 5-methyl-4-oxidopyrazin-4-ium-2-carboxylate
123-32-0
2,5-二甲基吡嗪
72788-71-7
2-hydroxymethyl-5-methylpyrazine-4-oxide
+
74-88-4
甲基碘