23680-84-4
4-氨基-2-氯-6,7-二甲氧基喹唑啉
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19216-56-9
哌唑嗪
527-69-5
呋喃甲酰氯
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60547-97-9
2-哌嗪基-4-氨基-6,7-二甲氧基喹唑啉
65679-30-3
4-amino-2-(4-ethoxycarbonyl-1-piperazinyl)-6,7-dimethoxy-quinazoline
65679-29-0
4-(4-amino-6,7-dimethoxy-quinazolin-2-yl)-piperazine-1-carbonitrile
57200-93-8
ethyl 4-(2-furoyl)piperazin-1-ylformimidate hydrochloride
26961-27-3
2-氨基-4,5-二甲氧基苯腈