L-苏氨酸甲酯盐酸盐,39994-75-7 ... 上海沪震实业有限公司

p1Src=//y1.yzimgs.com/uploads/495330/2016427-15554115.jpg?watermark/2/text/5LiK5rW35rKq6ZyH5a6e5Lia5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa