4-Methoxyisothiocyanic acid m-phenylene ester 75865-43-9 BRN 2728958 Benzene, 2,4-diisothiocyanato-1-methoxy- ISOTHIOCYANIC ACID, 4-METHOXY-m-PHENYLENE ESTER Isothiocyanic acid, 4-methoxy-m-phenylene diester NSC 159959