您要查找的是不是：
- formaldehyde n. 甲醛
- ophthalmology n. 眼科学
- naphthalene n. 萘(球),卫生球
- phenolphthalein n. 酚酞
naphthaldehyde n. 萘甲醛
网络短语:
2- naphthaldehyde 萘甲醛
hydroxy naphthaldehyde 羟基1萘醛缩
naphthaldehyde derivatives 萘甲醛
2-hydroxy naphthaldehyde benzoylhydrazone 羟基萘甲醛苯甲酰腙
2-METHYL-1-NAPHTHALDEHYDE 97 甲基