A yellowish, white, or reddish-gray crystalline powder, NH2C 6H 4C 6H 4NH 2, used in dyes and to detect blood stains.
对苯二氨基联苯：一种淡黄色、白色或淡灰红色的晶体粉末，NH2C6H4C 6H 4NH2，用在染料和血迹检查中。
A yellowish, white, or reddish-gray crystalline powder, NH2C 6H 4C 6H 4NH 2, used in dyes and to detect blood stains.
对苯二氨基联苯：一种淡黄色、白色或淡灰红色的晶体粉末，NH2C6H4C 6H 4NH2，用在染料和血迹检查中。
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