The infrared spectrum has a strong band at 1792 cm 1 0.8 90 intensity to 20 Le ppm -- BO 90 intensity 0.4 zo 160 ppm
Posted: Mon May 16, 2022 9:33 pm
The infrared spectrum has a strong band at 1792 cm 1 0.8 90 intensity to 20 Le ppm -- BO 90 intensity 0.4 zo 160 ppm