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Acide Selenious CAS 7783-00-8
MF : H2O3Se MW : 128.97 CAS : 7783-00-8 -
BTDA CAS: 2421-28-5 3,3 ′, 4,4′-Benzophenonetetracarboxylic dianhydride
izina RY'IGICURUZWA 3,3 ′, 4,4′-Benzophenonetetracarboxylic dianhydride Amagambo ahinnye BTDA Cas No. 2421-28-5 Kugaragara Isuku ≥98% Ibyuma Ion Inzira ya molekulari