1,3-二乙�?2-硫代巴比妥酸, 1,3-Diethyl-2-thiobarbituric acid

镁标�?500ML, Magnesium solution 1000 ppm

pH4.02缓冲�?1L, BUFFRSALT PH 4.01 CRT 1LT 12PK

铅标准溶�?500ML, Lead solution 1000 ppm

2,3-二羟基苯甲醛, 2,3-Dihydroxybenzaldehyde

13-顺式-视黄�? 13-cis-Retinoic Acid

炔丙�? Propargylamine

维生素A, all-trans-Retinol

1,3-二叔丁基�? 1,3-Di-tert-butylbenzene

甘油,20L, GLYCEROL CERTIFIED ACS 20L