150873-09-9 173523-78-9 192006-47-6 193561-69-2 2-Hydroxypropyl cellulose 210920-15-3 65742-73-6 78214-41-2 9004-64-2 9076-24-8 CELLULOSE, 2-HYDROXYPROPYL ETHER Cellulose hydroxypropyl ether HPC-L Hydroxypropyl cellulose Hydroxypropyl ether of cellulose Hydroxypropylcellulose Hydroxypropylcellulose of low substitution Hyprolosum Klucel L-Hpc Lacrisert Oxypropylated cellulose PM 50 PM 50 (polymer)