9,12-Octadecadienoic acid (9Z,12Z)-, 1,1',1'',1'''-[(3,6-dioxo-2,5-piperazinediyl)bis(4,1-butanediylnitrilodi-2,1-ethanediyl)] ester;cas:1853202-95-5;现货供应,批发优惠价
9,12-Octadecadienoic acid (9Z,12Z)-, 1,1',1'',1'''-[(3,6-dioxo-2,5-piperazinediyl)bis(4,1-butanediyl...