Synonyms: Benzaldehyde, 4-(2-propyn-1-yloxy)-, Benzaldehyde, 4-(2-propynyloxy)- (9CI); Benzaldehyde, p-(2-propynyloxy)- (7CI,8CI); 4-(2-Propyn-1-yloxy)benzaldehyde; 4-(2-Propynyloxy)benzaldehyde; 4-Propargyloxybenzaldehyde; p-Hydroxybenzaldehyde propargyl ether; p-Propargyloxybenzaldehyde