Refers to a type of symmetry in molecules where the molecule can be rotated 180 degrees and still appear the same.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
4-((1S,2R,5S)-2-Isopropyl-5-methyl-cyclohexyloxy)-3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalene 4-oxide
5,11,17,23-tetra-tert-butyl-25,27-diethoxycarbonylmethoxy-26,28-bis(diphenylphosphinomethoxy)calix<4>arene
