7-Hydroxy-4-methylcoumarin 99% 4-Methyl-7-hydroxycoumarin; 7-Hydroxy-4-methylcoumarin; beta-Methylumbelliferone; Hymecromone; Coumarin 4 C10H8O3 90-33-5
Chongqing Borning Chemical & Industrial Co., Ltd. was founded in Beibei District, Chongqing, in 2006. Since its foundation, Borning has worked hard under the Pharmaceutical Intermediate and fine....