105537-47-1
ethyl 2-methyl-4,4-diethoxybutanoate
→
105537-87-9
4-methyl-4,5-dihydro-3(2H)-pyridazinone
Butanoic acid, 4,4-diethoxy-2-methyl-, ethyl ester
33471-40-8
4-甲基-3(2H)-哒嗪酮
90568-15-3
3-氨基-4-甲基哒嗪
68206-04-2
3-氯-4-甲基哒嗪
82426-93-5
3-肼基-4-甲基吡嗪