4-氨基-3-甲基苯甲酸 CAS:2486-70-6 含 量:≥99% 熔点:168-173℃ 外观:微黄色或浅棕色粉末
4-Amino-3-Methylbenzoic acid CAS: 2486-70-6 Specification: ≥ 99% Appearance: Yellowish or brown powder