868-54-2
2-氨基-1-丙烯基-1,1,3-三甲腈
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23244-84-0
2-(3-amino-4-carbamoyl-1H-pyrazol-5-yl)acetic acid
54711-21-6
3-(氰甲基)-4-氰基-5-氨基吡唑