Character Name Ivy
Race Elf
Class and Lvl Rogue 3
HP 17
Str 7
Dex 20
Con 12
Int 17
Wis 14
Cha 7

From PF Companion Alchemy Guide

You know how to adjust the amount of time required for a poison to take effect.
Prerequisites: Craft (alchemy) 11 ranks, Toxicological Timing.
Benefit: Whenever you craft a poison with the Craft (alchemy) skill, you can add or subtract up to 1 day from its onset time (to a minimum onset period of 1 round).

Poison Focus
You know the secrets of creating especially vicious poisons.
Prerequisite: Craft (alchemy) 1 rank.
Benefit: The save DC of any poison you craft with Craft (alchemy) and any spells you cast with the poison descriptor (Pathfinder R PG Ultimate Ma9ic 138) increases by i. This bonus doesn't stack with the bonus granted by Spell Focus.

Subtle Poisoner
You have mastered the art of stealthily and quickly preparing a poisoned weapon.
Prerequisite: Sleight ofHand 5 ranks.
Benefit: Whenever you draw a weapon, you can apply poison to the weapon as part of the same action. To do so, you must already have the poison in hand and must succeed at a DC 20 Sleight of Hand check. Success means the dose of poison is expended and you poison the weapon without drawing attention to your act. This check is in addition to any other Sleight of Hand checks you attempt to perform the action (such as to draw a hidden weapon). Failure means any creatures present can immediately attempt opposed Perception checks to notice your poisoning attempt. If you fail the check by 5 or more, you also expose yourself to the poison unless you have an ability that would prevent accidental poisoning, such as an alchemist's poison use ability.

You know how to adjust the amount of time a poison takes to produce its effects.
Prerequisite: Craft (alchemy) 9 ranks.
Benefit: When you craft a poison with the Craft (alchemy) skill (whether using the normal Craft rules or the rules for spontaneous alchemy), you can increase or decrease the unit of time used to measure the frequency of a poison you craft by up to one step along the following scale: rounds, minutes, hours, days. For example, if you applied this feat to arsenic (which has a frequency of 1/minute for 4 minutes), you could increase the frequency to 1/round for 4 rounds or decrease the frequency to 1/hour for 4 hours.

This specialized ink can be mixed with a contact poison to make the poison last longer on paper. Once applied to a sheet of paper, the ink remains slightly tacky and keeps the poison effective for up to 1 week. Any creature that touches the writing (such as while opening a closed book or unraveling a scroll) must save against the contact poison. Once a creature has come in contact with the vector ink, the ink is expended. A single vial of vector ink is enough to write a single page of text on standard-sized parchment.
ALCHEMICAL RECIPE Recipe (7 dew of lunary + 7 gold + 6 urea)/digestion; Craft DC 20 Time 1 day; Tools heat source; Type alchemical tool